| Maker & Model | Front Scales | Back Scales |
|---|---|---|
| ADF Products (USA) ADF 103 Engineer's Semi-Circular Slide Rule PHOTO | || D, L, DI, S, T, ST, K, R, LL3, LL2, LL1, LL01, LL02, LL03, TH, SH2, SH1, LL0, LL00 || | |
| ALVIN (Japan San-Ai Group) ALVIN ELITE VECTOR No. 1157 PHOTO | || Sr, SΘ & SΘ, P', P || Q, CF, CI, C || D, DF, LL2, LL3 || Note: LL1' is at end of C; Sr is radians; SΘ is degrees | || Sh2, Sh1, A || B, K, Th, C || D, Tr1, Tr2, db || Note: db is 20 lg x |
| ARISTO (Germany) Made in Hamburg ARISTO HyperboLog No. 971 PHOTO | ||LLo1, LLo2, LLo3, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| | || Th, K, A || B, T&T, ST, S&S, C || D, DI, Sh2, Sh1 || |
| ARISTO (Germany) Made in Germany ARISTO HyperboLog No. 0971 PHOTO | || LLo1, LLo2, LLo3, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| | || Th, K, A || B, T&T, ST, S&S, C || D, DI, Sh2, Sh1 || |
| ARISTO (Germany) ARISTO HyperLog No. 0972 PHOTO | || LLoo, LLo1, LLo2, LLo3, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1, LLo || | || H2, Sh2, Th, K, A || B, T&T, ST, S&S, P, C || D, DI, Ch, Sh1, H1 || |
| ARQUIMEDES (Brazil) Archimedes Vectolog 21-D | || LLo1, LLo2, LLo3, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 || | || L, K, A || B, T, ST, S, C || D, Th, Sh2, Sh1 || |
| BEACON (Korea) BEACON KOREA No. 315 | || L, K, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 || | ||Sh1, Sh2, Th, A || B, TI2&TI2, TI1&TI1, SI&SI, C || D, DI, X, Θq || Note: X is radians; Θ is degrees. |
| BLUNDELL (Great Britain) Multilog Vector Duplex No. JV 56 Vector Janus | || LL01, Ll02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 || | || Sinh1, Sinh2, Tanh, A || B, T&T, ST, S&S || D, DI, K, L || |
| BLUNDELL (Great Britain) Log-Log Electro No. 506 ( Academy Duplex) PHOTO | || LL01, Ll02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 || | || Sinh1, Sinh2, Tanh, A || B, T&T, ST, S&S || D, DI, K, L || |
| BLUNDELL (Great Britain) Log-Log Electro No. A506 ( Super Duplex) PHOTO | || LL01, Ll02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2, LL1|| | || Sinh1, Sinh2, Tanh, A || B, T&T, ST, S&S || D, DI, K, L || |
| CHINA BEIJING 6581 Haiou Pai (Seagull) PHOTO | || LL01, LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 || CF is folded at π | || Sh1, Sh2, Th, A || B, T, ST, S || D, DI, K, L || |
| CHINA BEIJING 6631 Haiou Pai (Seagull) PHOTO | || LL01, LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 || CF is folded at π | || Sh1, Sh2, Th, A || B, T, ST, S || D, DI, Ch, L || |
| CHINA BEIJING 6681 Haiou Pai (Seagull) PHOTO | || Ln01, Ln02, Ln03, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1 || CF is folded at π | || L, Sh1, Sh2, A || B, T, ST, S, C || D, P, Th, Ch || |
| CHINA BEIJING LIXUE No number | ||
| CHINA SHANGHAI Cultural Revolution Slide Rule 1002 | ||
| CHINA SHANGHAI 1015-1 | ||
| CHINA SHANGHAI 1018 | ||
| CHINA SHANGHAI 5891 | ||
| COMPASS (JAPAN San-Ai Group) No. 1325 PHOTO | || Sr, SΘ, P', P || Q, CF, CI, C || D, DF, LL2, LL3 || Note: LL1' is at end of C; Sr is radians; SΘ deg | || Sh2, Sh1, A || B, K, Th, C || D, Tr1, Tr2, db || Note: db is 20 lg x |
| DAVIS Davis-Pletts PHOTO | || Lg, A || B, LL, D || C LL || | || || Sh, Sin, Cos, Tan, Cot, Coth || || |
| DIETZGEN (USA) Vector Type Log Log No. 1735 Maniphase Multiplex (Variation 1) PHOTO | || L, LL1, DF || CF, CIF, CI, C || D, LL3, LL2|| | || LL0, LL00, A || B, T&T, ST, S&S || D, Th, Sh2, Sh1|| |
| DIETZGEN (USA) Vector Type Log Log No. 1735 Maniphase Multiplex (Variation 2) | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| | || L, LL01, LL1, A || B, T& T, ST, S& S || D, Th, Sh2, Sh1|| |
| DIETZGEN (USA) Vector Type Log Log No. 1735 Maniphase Multiplex | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| | || Sh1, Sh2, Th, A || B, T& T, ST, S& S || D, DI, LL01, LL1|| |
| DIETZGEN (USA) Vector Type Log Log No. N1725 Maniphase Multiplex | || LL01, LL02, LL03, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| | || Th, K, A || B, T<45°&T<45°, T>45°&T>45°, ST, S&S || D, DI, Sh2, Sh1 || |
| DIETZGEN (USA) Vector Type Log Log No. N1725 | ||
| DIETZGEN (USA) Vector Type Log Log No. N1725 Micromatic (Variation 1) | || LL01, LL02, LL03, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| | || Th, K, A || B, T1, T2, ST, S || D, DI, Sh2, Sh1|| |
| DIETZGEN (USA) Vector Type Log Log No. N1725 Micromatic (Variation 2) | || LL01, LL02, LL03, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| | || Th, K, A || B, T1, T2, ST, S || D, DI, K|| |
| DIETZGEN (USA) Vector Type Log Log No. 1725N Micromatic (Variation 3) | || LL01, LL02, LL03, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| | || Th, K, A || B, T1, T2, ST, S || D, DI, K|| |
| DIETZGEN (USA) Vector Type Log Log No. N1725 Microglide | || LL01, LL02, LL03, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| | || Th, K, A || B, T1, T2, ST, S || D, DI, K|| |
| DIETZGEN (USA) Vector Type Log Log No. B-1725 (Made in Japan) PHOTO | || Th, Sh2, Sh1, A || B, T<45°&T<45°, T>45°&T>45°, ST, S&S || D, DI, K|| | || LL01, LL02, LL03, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| |
| DIETZGEN (USA) Vector Type Log Log No. B-1725? (Made in USA) PHOTO | || Th, Sh2, Sh1, A || B, T<45°&T<45°, T>45°&T>45°, ST, S&S || D, DI, K|| | || LL01, LL02, LL03, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| |
| DING FENG (China) Slide Rule has no ID No. or name on it; Box has No. 5471 PHOTO | || 2D, L, K, A || Tan&Cot, Sin&Cos, H', CI, C || D, Th, Sh1, Sh2 || CF and DF are folded at √10 | || LL1I, LL2I, LL3I, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1|| |
| DING FENG (China) No. 5471 PHOTO | || 2D, L, K, A || Tan&Cot, Sin&Cos, H', CI, C || D, Th, Sh1, Sh2 || | || LL1I, LL2I, LL3I, DF || CF, CIF , H, CI, C || D, LL3, LL2, LL1|| CF and DF are folded at π |
| DING FENG (China) No. 5571 | || 2D, L, K, A || Tan&Cot, Sin&Cos, H', CI, C || D, Th, Sh1, Sh2 || CF and DF are folded at √10 | || LL1I, LL2I, LL3I, DF || CF, CIF , H, CI, C || D, LL3, LL2, LL1|| |
| DING FENG (China) No. 5651 PHOTO | || 2D, L, K, A || Sin&Cos,Tan&Cot, CI, C || D, Th, Sh2, Sh1 || CF and DF are folded at √10 | || LL1I, LL2I, LL3I, DF || CF, CIF , H, CI, C || D, LL3, LL2, LL1|| |
| DING FENG (China) No. 5652 PHOTO | || Th, K, A || B Sin&Cos,Tan&Cot C || D, Sh2, Sh1 || | || LL1, L, DF || CF, CIF, CI, C || D, LL3, LL2|| CF and DF are folded at √10 |
| DING FENG (China) No. 5810 | || LL1I, LL2I, LL3I, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1||CF and DF are folded at √10 | || Th, L, K, A || B, S&S, H', T&T, C || D, DI, Sh2, Sh1 || |
| DING FENG (China) PHOTO No. 5851 | || Th, L, K, A || B, S, H', T, C || D, DI, Sh2, Sh1 || | || LL1I, LL2I, LL3I, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1|| |
| DING FENG (China) PHOTO No. 5852 | || Th, L, K, A || B, S, H', T, C || D, DI, H, Sh2, Sh1 | || LL1I, LL2I, LL3I, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1 || |
| ECKEL (The Eckel Co., USA) Engineer's Log Log (Circular Slide Rule) PHOTO | || LL1, LL2, LL3, LL4, C || D, DI, A, K, L || Scales are printed on cursor | || SH1, SH2, TH, D, ST, S, T < 45°, T > 45° || Scales are printed on cursor |
| FABER-CASTELL (Germany) Mathema No. 2/84 PHOTO | Left Front: (eXg),tan xg,sqrt(X2-1),sqrt X, || sqrt X, (1 / sqrt X), 1/y, y || Y, sqrt( 1 - X2), sin Xg, (eX) || Right Front: || gln Y, gtanY, sqrt(1 + Y2), Y2 || y2, 1/y2, 1/y, y || Y, sqrt(1 - Y2), gsinY, (lnY) || | Left Back: || -0.1 lnX, -lnX, -10 ln X || tanh xg, 0.1 cosh xg, 0.1 sinh xg, sinh xg || 10 ln X, lnX, 0.1 lnX || Right Back: || e-10Y, e-Y, e-0.1Y || gtanh y, gcosh 10y, gsinh 10y, gsinh y || e0.1Y , eY, e10Y || |
| FABER-CASTELL (Germany) Mathema No. 2/84N PHOTO | Left Front: (eXg),tan xg,sqrt(X2-1),sqrt X, || sqrt X, (1 / sqrt X), 1/y, y || Y, sqrt( 1 - X2), sin Xg, (eX) || Right Front: || gln Y, gtanY, sqrt(1 + Y2), Y2 || y2, 1/y2, 1/y, y || Y, sqrt(1 - Y2), gsinY, (lnY) || | Left Back: || 10 ln X, ln X, 0.1 ln X, Y || y, 0.1 cosh xg, 0.1 sinh xg, sinh xg || tanh xg, -0.1 ln X, -ln X, -10 ln X || Right Back:|| e0.1Y, eY, e10Y , Y || y, gcosh 10y, gsinh 10y, gsinh y || gtanh y, e-10Y , e-Y, e-0,1Y || |
| FABER-CASTELL (Germany) 989 Complex Hyperbolic Function Calculator | ||
| FLYING FISH (China) No. 1002 PHOTO | || Ln1I, Ln2I, Ln3I, DF || CF, CIF, H2, H3, CI, C || D, Ln3, Ln2, Ln1|| CF is folded at √ 10 | || sh2, sh3, K, A || B, sin2cos2, H'2, tg2ctg2, tg3ctg3, C || D, DI, lg, th2 || |
| FLYING FISH (China) No. 1003 PHOTO | || lnI-2, lnI-1, lnI0, lnI1, DF || CF, CIF, H0, H1, H'0, CI, C || D, ln1, ln0, ln-1, ln-2 || CF is folded at √ 10 | || sho, sh1, cu1, cu2, cu3 || lq1-1, tgoctgo, tg1ctg1, tg2ctg2, sinocoso, srt-1cos-1ctg-1, C || D, sqi2, sq1, tho, ch1 || |
| FLYING FISH (China) No. 1004 PHOTO | || Th, Ch, K, A || B, T&T, ST&ST, S&S, C || D, DI, Sh2, Sh1 || CF and DF are folded at π | || LL01, LL02, LL03, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| |
| FLYING FISH (China) No. 1009 PHOTO | || Sh1, Sh2, K, A || B, T&T, ST, S&S, C || D, DI, P, Th || | || LL01, LL02, LL03, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| CF is folded at √ 10 |
| FLYING FISH (China) No. 1012 PHOTO | || sh0X, sh1X, (3√X)1, (√X)2 || (√X)1 , √(1-X2)-1 , s-1 t-1 t-1 cos-1 ctg-1, tgoX ctgoX, (√1-X2)o , sinoX cosoX , Y2 || Y1, Y2I , ch1X , thoX , (ex)1 || | || ln-2X , ln-1X, lnoX , ln1X , Y2F || Y1F , Y1FI , (10x)1 , (√ X2-1)1 , (√ X2-1)o , Y1I , Y2 || Y1 , ln1X , lnoX , ln-1X , ln-2X || |
| Shanghai (China) No. 1015-1 PHOTO | || Sh1, Sh2, K, A || B, T&T, ST, S&S, C || D, DI, L, Th || CF is folded at √ 10 | || LL/1, LL/2, LL/3, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1|| |
| Flying Fish (China) No. 1015-1 PHOTO | || Sh1, Sh2, K, A || B, T&T, ST, S&S, C || D, DI, L, Th || CF is folded at √ 10 | || LL/1, LL/2, LL/3, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1|| |
| Flying Fish (China) No. 1015 PHOTO | || Sh1, Sh2, K, A || B, T&T, ST, S&S, C || D, DI, L, Th || CF is folded at √ 10 | || LL/1, LL/2, LL/3, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1|| |
| FLYING FISH (China) No. 1018 Electricians slide rule ( See Shanghai China No. 1018) PHOTO | || Θ°, RΘ, P', P || Q, QI, L, I || J, J', T, GΘ || This has Gudermannian scales., and is not folded. | || lnI-1, lnI0, lnI1, K1, A1 || B1, tgoctgo,sinocoso, C || D, DI, ln |
| FLYING FISH (China) No. 1200 PHOTO | || lnI-1, lnI0, lnI1, DF || CF, CIF, sinocoso, H'0, CI, C || D, ln1, ln0, ln-1 || CF is folded at √ 10 | || sho, sh1, K, A || B, srt-1cos-1ctg-1, tgoctgo, tg1ctg1, tg2ctg2, C || D, lg-1, tho, ch1 || |
| FLYING FISH (China) No. 6006 Electrical Engineering Slide Rule | || db, Neper, Volt, Dynamo, A || B, T&T, S&S, C || D, K, P, L || CF is folded at π | || Sh1, Sh2, Th, Ch, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 || |
| FLYING FISH (China) No. 6201 | || L, K, A || B, T&T, ST, S&S || D, Sh2, Sh1, Th || CF and DF are folded at π | || LLo1, LLo2, LLo3, DF || CF, CIF, CI, C || D, LL3, LL2, LL1|| |
| Gong Si He Ying (China) | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| CF is folded at π | || Sh1, Sh2, Th, A || B, T&T, SRT, S&S || D, DI, LL01, LL1 || |
| GRAPHOPLEX (France) Neperlog Hyperbolic No. 691 PHOTO | || L, P, Ch, A || B, T<45° & T<45°, ST & ST, S & S, C || D, Th, Sh2, Sh1 || | || LL01, LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 || |
| GRAPHOPLEX (France) Neperlog Hyperbolic No. 691a PHOTO | || L, P, Ch, A || B, T<45° & T<45°, ST & ST, S & S, C || D, Th, Sh2, Sh1 || | || LL01, LL02, LL03, DF || CF, CIF, K, CI, C || D, LL3, LL2, LL1 || |
| HAIOU PAI (China) No. 6531 PHOTO | || LL01, LL02, LL03, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| CF is folded at π | || Th, K, A || B, T&T, ST, S&S, C || D, DI, Sh2, Sh1 || |
| HAIOU PAI (China) No. 6631 | ||
| HAIOU PAI (China) No. 6681 Haiou (Seagull) | || LL01, LL02, LL03, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1|| CF is folded at π | || L, Sh1, Sh2, A || B, T&T, ST, S&S, C || D, P, Th, Ch || |
| HANGZHOU JIANG SHI YI XING (China) No Number | ||
| HEMMI (Japan) Duplex Slide Rule No. 153 (For Electrical Engineer) PHOTO | || L, K, A || B, CI, C || D, T, GΘ || Note: This is the first slide rule sold with Gudermannian hyperbolic scales. | || Θ, R Θ, P || Q, Q', C || LL3, LL2, LL1 || |
| HEMMI (Japan) Duplex Slide Rule No. 154 (For Advanced Electrical Engineer) PHOTO | || DF, P' , P || Q, CF, CI, SΘ0 || A, D, K || | || Sx, Tx, TΘ0, TΘ0 || Th, Sh, Sh, C || D, L, Χ || |
| HEMMI (Japan) Duplex Slide Rule No. 155 (For Advanced Electrical Engineer) PHOTO | || K, A, DF || CF, B, CI, C || D, L || is folded at √10 | ||Sh1, Sh2, Th1 || TI1&TI1, TI2&TI2, SI1&SI1, C || D, DI || |
| HEMMI (Japan) Duplex Slide Rule No. 255 (For Expert Electrical Engineer) Version 1 PHOTO | || L, K, DF || CF, CIF, CI, C || D, X , Θ || NOTE: X is radians and Θ is degrees. | ||Sh1, Sh2, Th, A || B, TI2, TI1, SI, C || D, LL3, LL2, LL1 || |
| HEMMI (Japan) Duplex Slide Rule No. 255 (For Expert Electrical Engineer) Version 2 PHOTO | || L, K, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 || | ||Sh1, Sh2, Th, A || B, TI2, TI1, SI, C || D, X, Θ|| NOTE: X is radians and Θ is degrees. |
| HEMMI (Japan) Duplex Slide Rule No. 255D (For Expert Electrical Engineer) PHOTO | || L, K, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 || | ||Sh1, Sh2, Th, A || B, TI2&TI2, TI1&TI1, SI&SI, C || D, DI, X, Θ || X is radians; Θ degrees. |
| HEMMI (Japan) Duplex Slide Rule No. 266 ("ELECTRONICS") | || LL03, LL02, LL2, A || B, BI, Sh1, Sh2, Th, CI, C || D, DI, P, L || | ||XL, Xc, F, r1 || r2, ST, S&S, T&T, L || Cf/C, Cz, L, Z, Fo || Some of these Back Scales are multiple scales. |
| HEMMI (Japan) Duplex Slide Rule No. 266 ("ELECTRONICS") PHOTO | || LL3, LL1, LL2, LL2, A || B, BI, CI, C || D, dB/L , S&S, T&T|| | ||XL, Xc, F, r1 || r2, L, Cf/C, Cz || L, Z, fo || Some of these Back Scales are multiple scales. |
| HEMMI (Japan) Duplex Slide Rule No. 275 (For Advanced Electrical Engineer) Version 1 PHOTO | || L, K, DF || CF, CIF, CI, C || D, X , Θ || NOTE: X is radians and Θ is degrees. | ||Sh1, Sh2, Th, A || B, TI2, TI1, SI, C || D, LL3, LL2, LL1 || |
| HEMMI (Japan) Duplex Slide Rule No. 275 (For Advanced Electrical Engineer) Version 2 | || L, K, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 || | ||Sh1, Sh2, Th, A || B, TI2, TI1, SI, C || D, X , Θ || X is radians; Θ degrees. |
| HEMMI (Japan) Duplex Slide Rule No. 275D (For Advanced Electrical Engineer) PHOTO | || L, K, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 || | ||Sh1, Sh2, Th, A || B, TI2&TI2, TI1&TI1, SI&SI, C || D, DI, X, Θ || X is radians; Θ degrees. |
| I-J Slide Rule (China) No Number | ||
| I-J Slide Rule (China) | ||
| JIANG (China) No. 6171 PAT 129 Jiangshi Type B. Designed by Jiang Dequ 1940 PHOTO | ||LL1, CU, (T)&(T) || B,S&S,SH,CI,C || D, LL2, LL3 | ||LL1, L, CT || B, CS, TH, C || D, LL2, LL3 || |
| KEUFFEL & ESSER (USA) Log Log Vector No. 4093-3 PHOTO | || L, LL0, DF || CF, B, CI, C || D, LL3, LL2|| Note: This is the first slide rule sold with hyperbolic scales. | || Sh1, Sh2, Th || SI1&SI1, SI2&SI2, TI&TI || D, S, T || See C.M. - K&E Catalogs site |
| KEUFFEL & ESSER (USA) Log Log Vector No. 4093-5 PHOTO | || L, LL0, DF || CF, B, CI, C || D, LL3, LL2|| | || Sh1, Sh2, Th || SI1&SI1, SI2&SI2, TI&TI || D, S, T || See C.M. - K&E Catalogs site |
| KEUFFEL & ESSER (USA) Log Log Duplex Vector No. 4083-3 PHOTO | || L, LL1, DF || CF, CIF, CI, C || D, LL3, LL2|| | || LL0, LL00, A || B, T&T, ST, S&S || D, Th, Sh2, Sh1|| See C.M. - K&E Catalogs site. |
| KEUFFEL & ESSER (USA) Log Log Duplex Vector No. 4083-3 | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| | || L, LL01, LL1, A || B, T&T, ST, S&S || D, Th, Sh2, Sh1|| See C.M. - K&E Catalogs site |
| KEUFFEL & ESSER (USA) Log Log Duplex Vector No. 4083-3S PHOTO | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| | || L, LL01, LL1, A || B, T&T, ST, S&S || D, Th, Sh2, Sh1|| See C.M. - K&E Catalogs site |
| KEUFFEL & ESSER (USA) Log Log Duplex Vector No. 4083-3 | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| | || Sh1, Sh2, Th, A || B, T&T, ST, S&S || D, DI, LL01, LL1 || See C.M. - K&E Catalogs site |
| KEUFFEL & ESSER (USA) Log Log Duplex Vector No. 4083-3 PHOTO | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| | || Sh1, Sh2, Th, A || B, T&T, ST, S&S || D, DI, LL01, LL1 || See C.M. - K&E Catalogs site |
| KEUFFEL & ESSER (USA) Log Log Duplex Vector No. 4083-3 PHOTO | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| | || Sh1, Sh2, Th, A || B, T&T, SRT, S&S || D, DI, LL01, LL1 || See C.M. - K&E Catalogs site |
| KEUFFEL & ESSER (USA) Log Log Duplex Vector No. 68 1434 & 68 1439 (4083-3) | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| | || Sh1, Sh2, Th, A || B, T&T, ST, S&S || D, DI, LL01, LL1 || See C.M. - K&E Catalogs site |
| KEUFFEL & ESSER (USA) Log Log Duplex Vector No. 4083-5 | || L, LL1, DF || CF, CIF, CI, C || D, LL3, LL2|| | || LL0, LL00, A || B, T&T, ST, S&S || D, Th, Sh2, Sh1|| See C.M. - K&E Catalogs site |
| KEUFFEL & ESSER (USA) Log Log Duplex Vector No. 4083-5 | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| | || L, LL01, LL1, A || B, T&T, ST, S&S || D, Th, Sh2, Sh1|| See C.M. - K&E Catalogs site |
| KEUFFEL & ESSER (USA) Log Log Duplex Vector No. N4083-5 | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| | || L, LL01, LL1, A || B, T&T, ST, S&S || D, Th, Sh2, Sh1|| See C.M. - K&E Catalogs site |
| KEUFFEL & ESSER (USA) Log Log Duplex Vector No. N4083-5 | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| | || Sh1, Sh2, Th, A || B, T&T, ST, S&S || D, DI, LL01, LL1 || See C.M. - K&E Catalogs site |
| KEUFFEL & ESSER (USA) Log Log Duplex Vector No. 4083-5 | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| | || Sh1, Sh2, Th, A || B, T&T, ST, S&S || D, DI, LL01, LL1 || See C.M. - K&E Catalogs site |
| KEUFFEL & ESSER (USA) Log Log Duplex Vector No. 4083-5 | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| | || Sh1, Sh2, Th, A || B, T&T, ST, S&S || D, DI, LL01, LL1 || See C.M. - K&E Catalogs site |
| KEUFFEL & ESSER (USA) Log Log Duplex Vector No. 68 1424 & 68 1429 (4083-5) | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| | || Sh1, Sh2, Th, A || B, T&T, ST, S&S || D, DI, LL01, LL1 || See C.M. - K&E Catalogs site |
| KEUFFEL & ESSER (USA) Log Log Duplex Vector No. 68 1434 PHOTO | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| | || Sh1, Sh2, Th, A || B, T&T, SRT, S&S || D, DI, LL01, LL1 || See C.M. - K&E Catalogs site |
| KEUFFEL & ESSER (USA) KeLon (This 10 in. Rule was designed, but not produced) | || Ln-3, Ln-2, Ln-1, Ln-0, DF || CF, CIF, L, CI, C || D, Ln0, Ln1, Ln2, Ln3 | || Constants, Sh1, Sh2, Th, A || B, T1&T1, SRT, SI2&SI2, C || D, DI, K, Sq1, Sq2 || |
| LAFAYETTE (USA / JAPAN San - AI Group) VECTORLOG No. F - 686 PHOTO | || Tr1, Tr2, P', P || Q, ST, Sr, S°, C || D, LLo3 LLo2, Llo1 || Note: LL1' is at end of C; Sr is radians; S° is in degrees. | || Sh1, Sh2, DF, A || B, CF, Th, CI, C || D, LL3, LL2, db || Note: db is 20 lg x |
| LAFAYETTE (USA / JAPAN San - AI Group) VECTORLOG No. 99-7102 PHOTO | || Tr1, Tr2, P', P || Q, ST, Sr, S°, C || D, LLo3 LLo2, Llo1 || Note: LL1' is at end of C; Sr is radians; S° is in degrees. | || Sh1, Sh2, DF, A || B, CF, Th, CI, C || D, LL3, LL2, db || Note: db is 20 lg x |
| LAFAYETTE (USA / JAPAN San - AI Group) VECTORLOG No. 99-71029 PHOTO | || Tr1, Tr2, P', P || Q, ST, Sr, S°, C || D, LLo3 LLo2, Llo1 || Note: LL1' is at end of C; Sr is radians; S° is in degrees. | || Sh1, Sh2, DF, A || B, CF, Th, CI, C || D, LL3, LL2, db || Note: db is 20 lg x |
| LUTZ ( JAPAN / USA) No. 300 B PHOTO | || Sh1, Sh2, Th, A || B, T&T, ST&ST, S&S, C || D, DI, P, K || | || LL1, LL2, LL3, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| |
| MICRONTA (JAPAN) No. 157 PHOTO | || Sr, S°, P', P || Q, CF, CI, C || D, DF, LL2, LL3 || Note: LL1' is at end of C; Sr is radians; S° is in degrees. | || Sh2, Sh1, A || B, K, Th, C || D, Tr1, Tr2, db || Note: db is 20 lg x |
| MICRONTA ( JAPAN San - AI Group) No. 1157 Electric Vector | || Sr, S° & S°, P', P || Q, CF, CI, C || D, DF, LL2, LL3 || Note: LL1' is at end of C; Sr is in radians; S° is in deg. | || Sh2, Sh1, A || B, K, Th, C || D, Tr1, Tr2, db || Note: db is 20 lg x |
| NIKKEI (JAPAN Nippon Slide Rule Co.) NIKKEI 520 Duplex | || L, K, DF || CF, CIF, CI, C || D, X, Θ || Note: X is radians; Θ degrees | || Sh1, Sh2, Th, A || B, T, S, ST, C || D, LL1, LL2, LL3 || |
| Paper Slide Rule (CHINA) No Number and unknown Name | || L, LL1, DF || CF, CIF, CI, C || D, LL3, LL2|| Very crudely made - scales are all black color. CF folded at π | || LL0, LL00, A || B, T, ST, S || D, Th, Sh2, Sh1|| Similar to K&E 4083-3 (1939-1946) See 54 |
| PATRICK Corp/ (USA) MARK IV data log PHOTO | || K, odd √ , even √ , A || B, T & T, ST, S & S, C || D, DI, Th, Sh2, Sh1|| | ||LL0 +, LL0 -, LL1 +, LL1 -, DF || CF, CIF, L, CI, C || D, LL2 +, LL2 -, LL3 +, LL3 - || |
| PICKETT & ECKEL (USA) 4 Deci - Log Log Vector Hyperbolic PHOTO | || 1/N1, 1/N2, 1/N3, 1/N4, DF || CF, Th, Sh, Sh, CI, C || C0 & D, N1, N2, N3, N4 || | ||Three cube root scales 3 √, DF|| CF, T&T, ST, S&S, CI, C || D, DI, Two sqrt scales √ || |
| PICKETT & ECKEL (USA) 4 Deci - Log Log Vector Hyperbolic PHOTO | || N1,1/N1, N2, 1/N2, DF/M || CF/M, Th, Sh, Sh, CI, C || D, N3, 1/N3, N4, 1/N4 || | ||Three cube root scales 3 √, DF|| CF, T&T, ST, S&S, CI, C || D, DI, Two sqrt scales √ || |
| PICKETT & ECKEL (USA) No. 4 Vector Hyperbolic Log Log | ||Three cube root scales 3 √, DF|| CF, T&T, ST, S&S, CI, C || D, DI, Two sqrt scales √ || | || 1/N1, 1/N2, 1/N3, 1/N4, DF/M || CF/M, Th, Sh, Sh, CI, C || C0 & D, N1, N2, N3, N4 || |
| PICKETT & ECKEL (USA) 4-T Dual-Base Log Log (Vector Hyperbolic) PHOTO | ||Three cube root scales 3√, DF|| CF, T&T, ST, S&S, CI, C || D, DI, Two sqrt scales √ || | || LL1&LL1, LL2&LL2, DF/M || CF/M, Th, Sh&Sh, L, CI, C || D, LL3&LL3, LL4&LL4 || |
| PICKETT & ECKEL (USA) 4-T Dual-Base Log Log Reciprocal Scale (Vector Hyperbolic) PHOTO | ||Three cube root scales 3√, DF|| CF, T&T, ST, S&S, CI, C || D, DI, Two sqrt scales √ || | || LL1&LL1, LL2&LL2, DF || CF, Th, Sh&Sh, L, CI, C || D, LL3&LL3, LL4&LL4 || |
| PICKETT & ECKEL (USA) 4-T Dual-Base Log Log (Vector Hyperbolic) SYNCHRO SCALE PHOTO | ||Three cube root scales 3√, DF|| CF, T&T, ST, S&S, CI, C || D, DI, Two sqrt scales √ || | || LL1&LL1, LL2&LL2, DF || CF, Th, Sh&Sh, L, CI, C || D, LL3&LL3, LL4&LL4 || |
| PICKETT & ECKEL (USA) 4-T LOG LOG Vector Hyperbolic Dual-Base SPEED RULE | ||Three cube root scales 3√, DF|| CF, T&T, ST, S&S, CI, C || D, DI, Two sqrt scales √ || | || LL1&LL1, LL2&LL2, DF || CF, Th, Sh&Sh, L, CI, C || D, LL3&LL3, LL4&LL4 || |
| PICKETT & ECKEL (USA) N4-T Vector - Type LOG LOG Dual - Base Speed Rule PHOTO | ||Three cube root scales 3√ , DF || CF, CIF, T&T, ST, S&S, CI, C || D, DI, Two sqrt scales √ || | || LL1&LL1, LL2&LL2, DF/M || CF/M, Th, Sh&Sh, Ln, L, CI, C || D, LL3&LL3, LL4&LL4 || |
| PICKETT & ECKEL (USA) N4-ES Vector - Type LOG LOG Dual - Base Speed Rule PHOTO | ||Three cube root scales 3√ , DF || CF, CIF, T&T, ST, S&S, CI, C || D, DI, Two sqrt scales √ || | || LL1&LL1, LL2&LL2, DF/M || CF/M, Th, Sh&Sh, Ln, L, CI, C || D, LL3&LL3, LL4&LL4 || |
| PICKETT & ECKEL (USA) N4-T Vector - Type LOG LOG Dual - Base Speed Rule | ||Three cube root scales 3√ , DF || CF, CIF, T&T, ST, S&S, CI, C || D, DI, Two sqrt scales √ || | || LL1&LL1, LL2&LL2, DF/M || CF/M, Th, Sh&Sh, Ln, L, CI, C || D, LL3&LL3, LL4&LL4 || |
| PICKETT & ECKEL (USA) N4p-T Vector - Type LOG LOG Dual - Base Speed Rule PHOTO | ||Three cube root scales 3√ , DF || CF, CIF, T&T, ST, S&S, CI, C || D, DI, Two sqrt scales √ || | || LL1&LL1, LL2&LL2, DF/M || CF/M, Th, Sh&Sh, Ln, L, CI, C || D, LL3&LL3, LL4&LL4 || |
| PICKETT & ECKEL (USA) 8 - T McGann Variable Density Flow Computer (Magnesium Model) | || Pt/P, Tt/T, λ, M, J4, J3 || λ4, λ3, λ2, λ1, λ0 || J2, J0-1&M, λ, Tt/T, Pt/P || | || LL1&LL1, LL2&LL2, DF/M || CF/M, Th, Sh&Sh, Ln, L, CI, C || D, LL3&LL3, LL4&LL4 || |
| PICKETT & ECKEL (USA) 8 - T McGann Variable Density Flow Computer (Magnesium Model) PHOTO | || Pt/P, Tt/T, λ, M, J4, J3 || λ4, λ3, λ2, λ1, λ0 || J2, J0-1&M, λ, Tt/T, Pt/P || | || LL1&LL1, LL2&LL2, DF/M || CF/M, Th, Sh&Sh, Ln, L, CI, C || D, LL3&LL3, LL4&LL4 || |
| PICKETT & ECKEL (USA) N16-ES ELECTRONIC LOG LOG Dual - Base Speed Rule PHOTO | || SH1, SH2, TH, DF || CF, L, S&S, ST, T&T, CI, C || D, LL3, LL2, LL1, Ln || | || θ & θ, db & db, D or Q, XL, Zs OR Xc || C or L, F, λ, ω, τ, τR' or X'c, Cr || Lr, db & db, COS Q & COS Q, t'C or C' || (NOTE: Both the tR' or X'c and the t'C or C' scales include numerous sub-scales for solving electronic calculations). |
| PICKETT & ECKEL (USA) X-4 Vector - Type LOG LOG Dual - Base Speed Rule PHOTO | ||Three cube root scales 3√ , DF || CF, CIF, T&T, ST, S&S, CI, C || D, DI, Two sqrt scales √ || | || LL1&LL1, LL2&LL2, DF/M || CF/M, Th, Sh&Sh, Ln, L, CI, C || D, LL3&LL3, LL4&LL4 || |
| POST (USA) Log Log Vector Model No. 1460 | ||
| POST (USA) Log Log Vector Model No. 1461 PHOTO | || L, K, A || B, CI, C || D, T, Gθ || Note: has Gudermannian hyperbolic scales. | || θ, Rθ P || Q, Q', C || LL3, LL2, LL1 || |
| PRECISION SCALE (USA) 1751 Log Log 10 Hyperbolic | || K, L, DIF, DF || CF, CIF, Two sqrt scales √ (odd & even), CI, C || D, DI, TH, SH1, SH2 || | || LL1, LL2, LL3, LL4, A || B, S&S, ST&ST, T&T, CI, C || D, LL/1, LL/2, LL/3, LL/4 || |
| PRECISION SCALE (USA) 1752 Log Log e Hyperbolic | || Sh1, Sh2, Th, A || B, T&T, ST, S&S, CI, C || D, DI, K, L || | ||LL/0, LL/1, LL/2, LL/3, DF || CF, CIF, Two sqrt scales √ (odd & even), CI, C || D, LL3, LL2, LL1, LL0|| |
| QUIFAN (CHINA) No Model No. | ||
| REISS (East Germany) Duplex Model 3227 PHOTO | || LL00, LL01, LL02, LL03, DF || CF, CIF, BI, CI, C || D, LL3, LL2, LL1, LL0 || | || K, T1, T2, DI, A || Sh1, Sh2, Th, SZ ,C || D, SK, P, ST, L || |
| RELAY (Japan San - Ai Group) No. 157 PHOTO | || Sr, Sθ, P', P || Q, CF, CI, C || D, DF, LL2, LL3 || Note: LL1' is at end of C; Sr is radians; Sθ is deg. | || Sh2, Sh1, A || B, K, Th, C || D, Tr1, Tr2, db ||r %Note: db is 20 lg x |
| RELAY (Japan San - Ai Group) No. 158 PHOTO | || Sh2, Sh1, Th, A || BI, S, T, CI, C || D, DI, LL3, LL2, LL1 || | || X2, X1, P2, P1 || Q, Y, L, LX, I || I, Lθ1 & Lθ1,Lθ2 & Lθ2 , LY || |
| RELAY (Japan San - Ai Group) No. 159 | ||
| RELAY (Japan San - Ai Group) No. De 1008 | || Sh2, Sh1, Th, A || BI, S, T, CI, C || D, DI, LL3, LL2, LL1 || | || X2, X1, P2, P1 || Q, Y, L, LX, I || I, Lθ1 & Lθ1,Lθ2 & Lθ2 , LY || |
| RELAY (Japan San - Ai Group) No. De 1008 PHOTO | || Sh2, Sh1, Th, A || BI, S, T, CI, C || D, DI, LL3, LL2, LL1 || | LL0, L, K, A || B, S, ST, T, C || D, DI, P, LL0 |
| RICOH (Japan San - Ai Group) No. 157 | || Sr, Sθ, P', P || Q, CF, CI, C || D, DF, LL2, LL3 || Note: LL1' is at end of C; Sr is radians; Sθ is degrees. | || Sh2, Sh1, A || B, K, Th, C || D, Tr1, Tr2, db || Note: db is 20 lgx |
| RICOH (Japan San - Ai Group) No. 158 | || Sh2, Sh1, Th, A || BI, S, T, CI, C || D, DI, LL3, LL2, LL1 || | || X2, X1, P2, P1 || Q, Y, L, LX, I || I, Lθ1 & Lθ1,Lθ2 & Lθ2 , LY || |
| RICOH (Japan San - Ai Group) No. 159 | || LL-1, LL-2, LL-3, A || B, BI, K, CI, C || D, LL3, LL2, LL1 || Note: A number of the scales are extended. | || Sh1, Sh2, P2, P1 || Q, Sr, Sθ&Sθ, Th, C || D, T2, T1, L || Note: Sr is radians; Sθ is degrees |
| RUYI (Chinese Shanghai) No. 1002 | || Ln1I, Ln2I, Ln3I, DF || CF, CIF, H2, H3, CI, C || D, Ln3, Ln2, Ln1|| CF is folded at √10 | || sh2, sh3, K, A || B, sin2cos2, H'2, tg2ctg2, tg3ctg3, C || D, DI, lg, th2 || |
| RUYI (Chinese Shanghai) No. 1009 | ||
| RUYI (Chinese Shanghai) No. 1015-1 PHOTO | || LL/1, LL/2, LL/3, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1|| CF is folded at √10 | || Sh1, Sh2, K, A || B, T&T, ST, S&S, C || D, DI, L, Th || |
| RUYI(China) No. 1081 PHOTO | || sh0, sh1, K, A || B T1, T2 SRT S C || D, DI, Th || | || ln-1 , ln0, ln1 , || CF , CIF, H0, H'0, CI, C || D, ln1, ln0, ln-1 || |
| RUYI (Chinese Shanghai) No. 1083 | || L, LL1, DF || CF, CIF, CI, C || D, LL3, LL2|| CF and DF are folded at π | || LL0, LL00, A || B, T&T, ST, S&S || D, Th, Sh2, Sh1|| Similar to K&E 4083-3 See 54 |
| RUYI (Chinese Shanghai) No. 6201 | || L, K, A || B, T&T, ST, S&S, C || D, Sh2, Sh1, Th || | || LLo1, LLo2, LLo3, DF || CF, CIF, CI, C || D, LL3, LL2, LL1|| CF and DF are folded at π |
| SCIENTIFIC INSTRUMENT COMPANY (SIC) (USA) Electro-Vector Log-Log No. 1570 | || Sr, Sθ & Sθ, P', P || Q, CF, CI, C || D, DF, LL2, LL3 || Note: LL1' is at end of C; Sr is radians; Sθ is deg. | || Sh2, Sh1, A || B, K, Th, C || D, Tr1, Tr2, db || Note: db is 20 lgx |
| SCIENTIFIC INSTRUMENT COMPANY (SIC) (USA) Electro Hyper-Vector Log-Log No. 1580 | || Sh2, Sh1, Th, A || BI, S&S, T&T, CI, C || D, LL3, LL2, LL1 || | || X2, X1, P2, P1 || Q, Y, L, LX, I || I, Lθ1 & Lθ1,Lθ2 & Lθ2 , LY || |
| SHANGHAI (China) No. 1002 | ||
| SHANGHAI (China) No. 1015-1 | ||
| SHANGHAI (China Electricians Slide Rule No. 1018 | ||
| SHANGHAI (China) I-J Function Slide Rule PHOTO | || ±G, ±Ii1, Im, 1/3X || 1/3X, ±J1, Jm & Jm, C || D, LL3, LL2, LL1, L || | || Th, Ch, K, A || B, T&T, ST&ST, S&S, C || D, DI, Sh2, Sh1 || (SHANGHAI is imprinted on Cursor) |
| SHANGHAI (China) No. 5891 | ||
| SIDA (China) No. 1 | || L, LL1, DF || CF, CIF, CI, C || D, LL3, LL2|| | || LL0, LL00, A || B, T&T, ST, S&S || D, Th, Sh2, Sh1|| |
| SIDA (China) No. 1002 | || Ln1I, Ln2I, Ln3I, DF || CF, CIF, H1, H2, CI, C || D, Ln3, Ln2, Ln1|| CF is folded at √10 | || sh1, sh2, K, A || B, sincos, H', tgctg, tgctg, C || D, DI, lg, th || |
| SIDA (China) No. 1009 PHOTO | || Sh1, Sh2, K, A || B, T&T, ST, S&S, C || D, DI, P, Th || | || LL01, LL02, LL03, DF || CF, CIF, L, CI, C || D, LL3, LL2, LL1|| CF is folded at √ 10 |
| SIDA (China) No. 1012 | ||
| SIDA (China) No. 1015 | || LL/1, LL/2, LL/3, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1|| CF is folded at √10 | || Sh2, Sh1, K, A || B, T&T, ST, S&S, C || D, DI, L, Th || |
| SIDA (China) No. 1015 | || LL/1, LL/2, LL/3, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1|| CF is folded at √10 | || Sh2, Sh1, K, A || B, T&T, ST, S&S, C || D, DI, L, Th || |
| SIDA (China) No. 1083 PHOTO | || L, LL1, DF || CF, CIF, CI, C || D, LL3, LL2|| CF and DF are folded at π | || LL0, LL00, A || B, T&T, ST, S&S || D, Th, Sh2, Sh1|| |
| SIDA (China) No. 5810 | || LL1I, LL2I, LL3I, DF || CF, CIF, H, CI, C || D, LL3, LL2, LL1|| CF and DF are folded at √10 | || Th, L, K, A || B, S&S, H', T&T, C || D, DI, Sh2, Sh1 || |
| SIDA (China) No. 6171 | || Ln1I, Ln2I, Ln3I, DF || CF, CIF, H2, H3, CI, C || D, Ln3, Ln2, Ln1 || CF is folded at √10 | || sh2, sh3, K, A || B, sin2cos2, H'2, tg2ctg2, tg3ctg3, C || D, DI, lg, th2 || |
| SIDA (China) No. 6201 PHOTO | || L, K, A || B, T&T, ST, S&S || D, Sh2, Sh1, Th || | || LLo1, LLo2, LLo3, DF || CF, CIF, CI, C || D, LL3, LL2, LL1|| CF and DF are folded at π |
| TAMAYA (Japan) No. 4499 | ||
| Thornton No. 146 Model B PHOTO | || sqrt1 sqrt2 D || C B CI Isd-Td-Vs-N M-W-Itd-Sd C || D E1 E2 \ RE1 RE2 | || sqrt1 sqrt2 Gd Isdh-Itdh Tdh-Sdh C|| |
| Tianjin Jianzhong TJJX (Tianjin giant elephant) PHOTO | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2|| | || Sh1, Sh2, Th, A || B, T&T, SRT, S&S || D, DI, LL01, LL1 || |
| U. S. BLUEPRINT (USA/HEMMI) No. 1893 Duplex Slide Rule (For Electrical Engineer) | ||
| XUESH (China) 6171 bachelor PHOTO | || Sh1, Sh2, K, A || B sin&cos, H1 tg1&ctg1, tg2&ctg2, C || D, DI, lg, th || | || lgln1I, lgln2I, lgln3I, DF || CF, CIF, H1, H2, CI, C || D, lgln3, lgln2, lgln1|| CF is folded at √10 |
| XUESH (China) 6171 | || lgln1I, lgln2I, lgln3I, DF || CF, CIF, H1, H2, CI, C || D, lgln3, lgln2, lgln1|| CF is folded at √10 | || sh1, sh2, K, A || B, sin&cos, H1 tg1&ctg1, tg2&ctg2, C || D, DI, lg, th || |
| XUESHI (China) 1572-K3 | || LL02, LL03, DF || CF, CIF, CI, C || D, LL3, LL2 || | || Sh1, Sh2, Th, A || B, T, SRT, S || D, DI, LL01, LL1|| |