Ahrend 15 Electro (D & P 15)
PHOTO
Y
25 cm
Y
 cm / LL2 A = B C = D LL3 # Dyn-Mot V #
Ahrend 654 Electro
PHOTO
Y
25 cm
Y
 cm / LL2 A = B C = D LL3 # Dyn-Mot V # = S T =
Alro 600E
PHOTO
Y
 ⌀ 13 cm
Y
Y
N2 N = N N2 LL Dyn-Mot V ? L (T S S&T ? L in lid)
Alro 700H Philips Emission
PHOTO
Y
 ⌀ 13 cm
Y
Y
L/C N = N N2 ν λ (V1/V2 & W1/W2 scales in lid)
Alro 746 "De Muiderkring"
PHOTO
Y
 ⌀ 13 cm
Y
Y
L/C N2 N = N N2 ν λ ( L + special scales in lid )
Alro 746 "De Muiderkring"
PHOTO
Y
 ⌀ 6 cm
Y
Y
 V1/V2 dB W1 W2 L/C N2 N = N ν λ
Alro ElA
PHOTO
Y
 ⌀ 13 cm
Y
Y
 N2 N = N N2 LL Dyn-Mot V ? L (T S S&T ? L in lid)
Alro Philips Telecommunication Decibel
PHOTO
Y
 ⌀ 6 cm
Y
Y
N2 N = dBL/C N2 N = N ν λ
Alro PTT Decibel
PHOTO
Y
 ⌀ 12 cm
Y
Y
N2 N = dBL/C N2 N = N N2 ν λ
Alro PTT Decibel
PHOTO
Y
 ⌀ 8 cm
Y
Y
N2 N = dBL/C N2 N = N N2 ν λ
Antica Fabbrica Vittorio Martini Elettro Cosfi 401
PHOTO
Y
12.5 cm
Y
 cm / V A = B CI C = D U LL2 LL3= S ST T =
Antica Fabbrica Vittorio Martini Elettro Cosfi 416
Y
25 cm
Y
Y
 cm / V A = B CI C = D P K LL / L = S ST T =
Archimedes 18 C Eletro
PHOTO
Y
 cm/ cos φ A = B BI CI C = D cosφ S T= L LL1 LL2 LL3 =
Aristo 814 Elektro
PHOTO
Y
12.5 cm
Y
 cm / LL2 A = B CI C = D LL3 #V D/M(=) ( opt G/M 3~))# ins / = S L T =
Aristo 815 Elektro
PHOTO
Y
12.5 cm
Y
 cm / K A = B BI CI C = D D/M(=) V = S ST L T =
Aristo 914 Elektro
PHOTO
Y
25 cm
Y
Y
 cm / LL2 A = B CI C = D LL3 #V D/M(=) ( opt G/M3~))# ins / = S L T =
Aristo 915 Elektro
PHOTO
Y
25 cm
Y
 ins / K A = B BI CI C = D LL3 LL2 D/M(=) V = S ST L T = / cm
Aristo 949
Y
25 cm
? ?
Aristo 1014 Elektro
Y
50 cm
Y
LL2 A = B CI C = D LL3 #V D/M(=) ( opt G/M3~))# = S L T =
Aristo 1015 Elektro
Y
50 cm
Y
K A = B BI CI C = D LL3 LL2 D/M(=) V = S ST L T =
Aristo 80142
PHOTO
Y
12.5 cm
Y
cms/ cos φ A [B CI C] D cos φ = S ST T =
Aristo 10175
PHOTO
Y
25 cm
Y
LC 2π A = B CI C = D S T L Special Scales
Belcher-Hickman "The Electrician"
PHOTO
Y
25 cm
Y
30DI 3.28D D = C 1.11BI BI = A cm
Bell System
PHOTO
Y
⌀ 18 cm
Y
Y
 Special Scales
BICC Voltage Drop Calculator
PHOTO
Y
⌀ ? cm
Y
Y
 Special Scales
Blundell 305 C Electro Academy
PHOTO
Y
25 cm
Y
V Dyn-Mot G/M3~ A = B CI C = D K LL2 LL3 = S L T =
Blundell 404 Electro Omega
PHOTO
Y
25 cm
Y
 ins / LL2 A = B CI C = D LL3 # Dyn-Mot V # = S L T =
Blundell 604 Electro Omega
PHOTO
Y
12.5 cm
Y
 cms / LL2 A = B CI C = D LL3 # Dyn-Mot V G/M3~ # = S L T =
Blundell 805 Electrical Academy
PHOTO
Y
25 cm
Y
V Dyn/Mot A = B CI C = D K LL2 LL3 = S L T =
Blundell E 3 Electrical
PHOTO
Y
25 cm
Y
 cm / Volt A = B-ΘF Cos C = D Dyn-Mot
Blundell E 13 Electricians
PHOTO
Y
25 cm
Y
 ins / K LL1 LL2 DF = CF CIF-°C CI C = D P LL3 A # Dyn-Mot V #
Blundell E 18 Electricians
PHOTO
Y
25 cm
Y
 ins / V A = B-°F Cos-°C C = D Dyn-Mot
Blundell AE 18 Electricians
PHOTO
Y
25 cm
Y
 ins / V A = B-°F Cos C = D Dyn-Mot = S S&T T =
Blundell E 25 Electricians
PHOTO
Y
25 cm
Y
 ins / LL2 A = B CI C = D LL3 K # Dyn-Mot V #
Blundell E 25 C
PHOTO
Y
25 cm
Y
 cm / LL2 A = B CI C = D LL3 K #V (GEN. EFF.) (MOT. EFF.) GEN. MOT.# = S L T =
Blundell P 16 Electricians
PHOTO
Y
12.5 cm
Y
ins/UL A = B-°F Cos-°C C = D LL1 #V Dyn-Mot# = S S&T T =
Blundell P2361 - Westec Electronics
PHOTO
Y
25 cm
Y
(Lr)H K (fx)2π A = (Cr)B, S/Cos T/Cot (Lx or Cx) CI (XL or fr) C = D (xc), L, Ln, ST
Stanley Brydon Hodgson Wireless M 3714 Slide Rule
PHOTO
Y
25 cm
Y
 Special Scales Special Scales
Colgate
Concise 200 EE Data Center
PHOTO
Y
 ⌀ 10 cm
Y
Y
D = C CI L A S T K Data Tables for Resistance and Reactance
Concise 380 Radio Computer
PHOTO
Y
 ⌀ 11 cm
Y
Y
Special Scales Special Scales
Concise EE - 112
PHOTO
Y
⌀ 10 cm
Y
Y
D = C CI L A S T1 T2 ST
Davis-Martin Wireless Slide Rule
PHOTO
Y
25 cm
Y
Specials Scales
D & P 15
Y
25 cm
Y
LL2 A = B C = D LL3 # Dyn-Mot V #
D & P 21 Elektro Log Log
PHOTO
Y
25 cm
Y
 cm / Dynamo LogLog L = A K C = D LogLog Volt = S L T =
D & P Line Loss & Voltage Drop Calculator
PHOTO
Y
25 cm
Y
 = Special Scales = Special Scales = Special Scales # Special Scales # Special Scales
D & P Paul Katzwinkel
PHOTO
Y
25 cm
 cm / α0 Cos Sin A = B CTG Sin CI C = D arcN LL3
Dimier Electric
PHOTO
Y
12.5 cm
Y
kW A = B(cv) C = D(cv) # Dyn-Mot V # / mm = ? ? =
Diwa 111 Electro
PHOTO
Y
25 cm
Y
 cm / LL2 A = B CI C = D LL3 ] K # Dyn-Mot V # = S S&T T =
Diwa 211 Electro
Y
Diwa 311 Electro
PHOTO
Y
25 cm
Y
 ins + cm / K A = B CI C = D Volt T Cos = LL1 LL2 LL3 =
Diwa 511 Electro
PHOTO
Y
25 cm
Y
 ins + cm / Dyn-Mot K A = B CI C = D V T S = LL1 LL2 LL3 =
Diwa 611 Electro
PHOTO
Y
12.5 cm
Y
 ins + cm / cos φ A = B CI C = D cos φ # Dyn-Mot V # = S S&T T =
Thornton Capacity Slide Rule Version 1
PHOTO
Y
25 cm
Y
Special Scales
Thornton Capacity Slide Rule Version 2
PHOTO
Y
25 cm
Y
Special Scales = V A = B C = D S L T
Duval Regle Electro
PHOTO
Y
25 cm
Y
 cm /L K A = B CI C = D LL1 LL2 LL3 #30-20# #0.5+10Volts# =Cos S T C =
Faber Castell D4
Y
25 cm
 LL2 A = B CI C = D LL3 = K V = S ST T = W L
Faber Castell 319
PHOTO
Y
12.5 cm
Y
ins / LL2 A = B CI C = D LL3 \ K # Dyn-Mot V # = S L T =
Faber Castell 368
PHOTO
Y
25 cm
Y
LL3 LL2 / A = B C = D / 27cm # Dyn-Mot V # = S L T =
Faber Castell 378
PHOTO
Y
25 cm
Y
 cm /LL2 A = B C = D LL3 # Dyn-Mot V # = S L T =
Faber Castell 379 Elektro
PHOTO
Y
12.5 cm
Y
 cm /LL2 A = B C = D LL3 \ ins # Dyn-Mot V # = S L T =
Faber Castell 388
PHOTO
Y
50 cm
ins/LL2 A = B C = D LL3 # Dyn-Mot V #
Faber Castell 388 N
Y
50 cm
Y
 cms / LL2 A = B C = D LL3 \ ins # Dyn-Mot V #
Faber Castell 398
PHOTO
Y
25 cm
Y
 ins / LL2 A = B CI C = D LL3 ] K # Dyn-Mot V # = S L T =
Faber Castell 1/78 Elektro
PHOTO
Y
25 cm
Y
 cm / LL2 A = B C = D LL3 # Dyn-Mot V # = S L T =
Faber Castell 1/78/378 Elektro
PHOTO
Y
25 cm
Y
 cm / LL2 A = B C = D LL3 # Dyn-Mot V # = S L T =
Faber Castell 1/98 Elektro
PHOTO
Y
25 cm
Y
 cm / LL2 A = B CI C = D LL3 ] K # Dyn-Mot V # = S L T =
Faber Castell 1/98/398 Elektro
PHOTO
Y
25 cm
Y
 cm / LL2 A = B CI C = D LL3 ] K # Dyn-Mot V # = S L T =
Faber Castell 11/98 Elektro
Y
25 cm
Y
 cm / LL2 A = B CI C = D LL3 ] K # Dyn-Mot V # = S L T =
Faber Castell 111/98 Elektro
PHOTO
Y
25 cm
Y
 cm / LL2 A = B CI C = D LL3 Dyn-Mot V ] K = S L T =
Faber Castell 167/98 Elektro
PHOTO
Y
12.5 cm
Y
 cm / LL2 A = B CI C = D LL3 Dyn-Mot V ] K = S L T =
Faber Castell 4/98 Elektro
PHOTO
Y
50 cm
Y
 cm / LL2 A = B CI C = D LL3 ] K # Dyn-Mot V # = S L T =
Faber Castell 44/98 Elektro
Y
50 cm
Y
 cm / LL2 A = B CI C = D LL3 ] K # Dyn-Mot V # = S L T =
Faber Castell 61/78
Y
12.5 cm
Y
LL2 A = B C = D LL3 Dyn-Mot V = S L T =
Faber Castell 61/78/379
PHOTO
Y
12.5 cm
Y
 cm / LL2 A = B C = D LL3 # Dyn-Mot V # = S L T =
Faber Castell 61/98 Elektro
Y
12.5 cm
Y
 cm / LL2 A = B CI C = D LL3 ] K # Dyn-Mot V # = S L T =
Faber Castell 61/98/319 Elektro
PHOTO
Y
25 cm
Y
 cm / LL2 A = B CI C = D LL3 ] K # Dyn-Mot V # = S L T =
Faber Castell 63/98 Elektro
PHOTO
Y
12.5 cm
Y
 ins / LL2 A = B CI C = D LL3 ] K # Dyn-Mot V # = S L T =
Faber Castell 67/98 Elektro
PHOTO
Y
12.5 cm
Y
 ins / LL2 A = B CI C = D LL3 Dyn-Mot V = S L T =
Faber Castell 67/98 Rb Elektro Addiator
PHOTO
Y
12.5 cm
Y
 ins / LL2 A = B CI C = D LL3 Dyn-Mot V = S L T =
Fearns Power Factor Calculator
PHOTO
Y
 ⌀ 12.5 cm
Y
Y
 Special Scales
Flying Fish 1018
PHOTO
Y
25 cm
Y
 lnI-1 lnI0 lnI1 K1 A1 = B1 tgoctgo sinocoso C = D DI ln1 ln0 ln-1 Θ° RΘ P' P = Q QI L I = J J' T GΘ
Flying Fish 6006
PHOTO
Y
25 cm
Y
dB Neper V Dyn-Mot A = B T S C = D K P L Sh1 Sh2 Th Ch DF = CF CIF CI C = D LL3 LL2 LL1
Fuji 208 Electro
PHOTO
Y
25 cm
Y
 cm / K E A = B CI C = D LL3 LL2 L = S ST T =
Graphoplex 2645 Electro Log Log
PHOTO
Y
50 cm
Y
 cm / L P K A = B CI C = D LL3 LL2 LL1 = P S T C =
Graphoplex 643 Electro Log Log
PHOTO
Y
12.5 cm
Y
 cm / L cos K A = B CI C = D LL3 LL2 LL1 = S&T S T C =
Graphoplex 650 Electro
PHOTO
Y
12.5 cm
Y
 cm / L K cos A = B CI C = D cos Dyn-Mot V = S&T S T C =
Graphoplex 697 Electro
PHOTO
Y
25 cm
Y
L Dyn-Mot V A = B Cap./Ind. CI C = D f λ DI ST T S DF = CF CIF K CI C = D LL3 LL2 LL1
Graphoplex 698 Electronicien
PHOTO
Y
25 cm
Y
f XC XL f A = B L Cap CI C = D f' f L(dB)ST T S DF = CF CIF K CI C = D LL3 LL2 LL1
IWA 0268 Electronic
PHOTO
Y
25 cm
Y
Special ScalesSpecials Scales
IWA 0272 Electronic
PHOTO
Y
25 cm
Y
λ ω f C L Rc LC RL K S T A B CI C D L cm(dB)
IWA 0257 PIA Electronic
PHOTO
Y
12.5 cm
Y
cm A = B Cap C = D f ins l2/l1 dB P2/P1 = S L T =
IWA 51903
PHOTO
Y
12.5 cm
Y
 cm A = B Cap C = D f ins l2/l1 dB P2/P1 = S L T =
Jakar 66
PHOTO
Y
25 cm
Y
ins / K V Dyn-Mot A = B CI C = D LL3 LL2 L = S ST T =
Kesel
PHOTO
Y
Y
Y
"K C R Special Cu price
Keuffel & Esser 4082-3 Radio Special
PHOTO
Y
25 cm
Y
L LL1 DF = CF CIF CI C = D LL3 LL2LL0 LL00 A = B T ST S = D DI F
Keuffel & Esser 4091-3 Spec
PHOTO
Y
25 cm
Y
L LL1 DF = CF CIF CI C = D LL3 LL2LC LL0 A = B K CI = T S2 S1
Keuffel & Esser 4133 Roylance Electrical
PHOTOS
Y
25 cm
Y
ins / A = B (F C) CI C = D ] B & S Wire Gauge # Wire Amp # = S L T =
Keuffel & Esser 4138 Morrison Radio Engneer
PHOTO
Y
25 cm
Y
(Front left) L F A = B CI C = D T ST S (Front Right) db FREQ L C = (Back Left) 9 8 = 7 6 5 4 = 3 2 1 (Back Right) Att. Factor II Att. Factor I = d,Miles Ed P,Watts f,Mc = σ,emu E,μv//m db
Keuffel & Esser 4139 Cooke Radio
PHOTO
Y
25 cm
Y
LC A = B T ST S = D DIL DF = CF CIF CI C = D 2π
Keuffel & Esser 68-1460 Cooke Radio
PHOTO
Y
25 cm
Y
LC A = B T SRT S = D DIL DF = CF CIF CI C = D 2π
Keuffel & Esser National Radio Union
PHOTO
Y
25 cm
Y
SpecialSpecial
Koch, Huxhold & Hannemann (KHH)
PHOTO
Y
25 cm
Y
 ins / LL2 A = B C = D LL3 # Dyn-Mot V # S S&T T
Lafayette F686
PHOTO
Y
25 cm
Y
Sh1 Sh2 DF A = B CF Th CI C = D LL3 LL2 dBTr1 Tr2 P' P = Q ST Sr SΘ C = D LL03 LL02 LL01
Lafayette 99-7128
PHOTO
Y
25 cm
Y
dB DF = CF CIF CI C = D AXC XL K = KI S T = F2 F1 DI
Landis & Gyr
PHOTO
Y
25 cm
Y
 16cm / sin(cos) kWh(α1 = A) = kWhr(α2 = B) (1=xWh) n(n=1kWh = C) = D Watt \ cm # Watt is Power consumption D scale shifted by a factor of 3.6 = α2+ L α2- =
Lawrence 8-L Voltage Drop
PHOTO
Y
 20cm
Y
Cable Distance = Current VD = Wire Size
Loga 300 Tt.-El
Y
LL Ohm V = A Q L 3√NS N2 N2 3√N T
Lyra - Orlow 41E
Y
25 cm
? ?
Marc/Minerva
PHOTO
Y
12.5 cm
 cm \ Watt A(kW) = B C = D(CV) # Dyn/Mot #
Marc/Minerva Electricien No. 5
PHOTO
Y
12.5 cm
 cm / Watt A(kW) = B (CV) C = D(CV) # Dyn/Mot #
Marcantoni 12.5 RE
PHOTO
Y
12.5 cm
Y
 cm / cos φ A = B CI C = D cosφ # Dyn-Mot V # i ins / = S L T =
Marcantoni 25 RE
PHOTO
Y
25 cm
Y
 cm / P K A.(CV) = B.(KW) CI C.(DYN)= D.(DYN) V U / ins = S S&T T =
Marcantoni Brevette
PHOTO
Y
12.5 cm
Y
 cm / X Ohm mV-uV(/50 ohm) = dB CI C = D dB(m per uV) L ins = S S&T T = °C °F
Meissner
PHOTO
Y
25 cm
Y
LL1 LL2 LL3 A = B L CI C = D P S TA A mm2 Kw-A = Various P scales V% Kw = m mm2 P (Cos φ)
Nelson - Jones Circuit Designers Slide Rule
PHOTO
Y
25 cm
Y
db A = B CI C = D LL3 LL2 XL = L&C F = XC
Nestler 11E
PHOTO
Y
12.5 cm
Y
 ins/ Dyn-Mot V A = B CI C = D cosφ = S L T =
Nestler 11ZE
PHOTO
Y
12.5 cm
Y
 cm / cosφ A = B CI C = D cosφ # Dyn-Mot V # = S L T =
Nestler 32 Elektro (Presser)
PHOTO
Y
25 cm
C = D A = V
Nestler 36 Elektro
PHOTO
Y
25 cm
Y
 cm / LL2 A = B CI C = D LL3 /ins # Dyn-Mot V # = S ST T =
Nestler 36 Elektro
Y
12.5 cm
Y
LL2 A = B CI C = D LL3 = Dyn-Mot V =
Nestler 37a/50 Elektro
PHOTO
Y
50 cm
Y
 cm / V A = B CI C = D U \ LL K = S S&T T =
Nestler 37/25 Elektro
PHOTO
Y
25 cm
Y
cm / V A = B CI C = D U \ LL K #30-56cm# = S S&T T =
Nestler 37/15 Elektro
PHOTO
Y
15 cm
Y
 cm /V A = B C = D U \ LL K = S S&T T =
Nestler 39 Elektro (System Besser)
PHOTO
Y
12.5 cm
Y
 cm / Special Scales \ ins
Nestler 0137 Elektro
PHOTO
Y
12.5 cm
Y
 cm / Dyn-Mot Volt A = B CI C = D cosφ = S L T =
Nestler 0297 Electronic I
PHOTO
Y
25 cm
Y
20log(U2/U1) U2/U1 √(Z2/Z1 R.Z G.Y U = J ln(U2/U1)dB P1 U1 U2 P2 dB
Nestler 0370 Elektro
PHOTO
Y
25 cm
Y
 cm /V A = B CI C = D U \ LL K #30-56cm# = S S&T T =
Nestler 0373 System Moisson
PHOTO
Y
25 cm
Y
 cm /ω L = C D/I D = λ F Tables
Nestler 0374 System Moisson
PHOTO
Y
25 cm
Y
 cm /ω L = C D/l D = λ F
Nestler 0375 Elektro
PHOTO
Y
50 cm
Y
 cm / V A = B CI C = D U \ LL K= S ST T =
Nestler No Model Number. Elektro Scale
PHOTO
Y
12.5 cm
 cm / A = B 0-200 Motor scale C = D=
Ohico Electro 15
Y
12.5 cm
Y
LL2 A = B C = D LL3 # Dyn-Mot V # = S L T =
Perrygraf for Capacitor Functions
PHOTO
Y
 ⌀ 20 cm
Y
Y
Special Scales
PIC/Thornton Electro
Y
10 cm
Y
Y
S A = B C = D = B1 B2 =
PIC/Thornton 121 Electro
PHOTO
Y
25 cm
Y
 cm / E1 E2 A = B CI ISd-ITd-Td-Sd C = D f(s)= LL L K =
PIC/Thornton 130
PHOTO
Y
12.5 cm
Y
 cm / LL2 LL3 A = B CI Isd-ITd-Td-Sd C = D K # Dyn-Mot V #
PIC/Thornton 131
PHOTO
Y
12.5 cm
Y
 cm / LL2 LL3 A = B CI IS-IT-T-S C = D K \ Ins # Dyn-Mot V #
PIC/Thornton 132
PHOTO
Y
50 cm
Y
 cm / LL2 LL3 A = B CI IS-IT-T-S C = D K \ Ins # Dyn-Mot V #
PIC/Thornton V.P. 134
PHOTO
Y
12.5 cm
Y
E1 E2 A = B CI ISd-ITd-Sd-Td C = D F cm / = Dyn-Mot V =
PIC/Thornton 141
Y
25 cm
Y
 ins/ S S' A = B CI DegF DegC C = D T \ S L Conversion scales
PIC/Thornton 144 AC Electrical (model F)
PHOTO
Y
25 cm
Y
ins / S C A = B CI χ-°C-°F C = D T \ S T = LL1 LL2 LL3 C =
PIC/Thornton 146 Model A
PHOTO
Y
25 cm
Y
cm-ins / sqrt1 sqrt2 D = C B CI Isd-Td-Vs-N M-W-Itd-Sd C = D E1 E2 \ RE1 RE2= sqrt1 sqrt2 f(s) f(t) F(Θ) C =
PIC/Thornton 146 Model B
PHOTO
Y
25 cm
Y
 sqrt1 sqrt2 D = C B CI Isd-Td-Vs-N M-W-Itd-Sd C= sqrt1 sqrt2 Gd Isdh-Itdh Tdh-Sdh C =
PIC/Thornton 3650 Electrical
PHOTO
Y
25 cm
Y
 cm / LL2 A = B CI C = D LL3 D&ILL # Dyn-Mot V # = S L T =
PIC/Thornton 3651 Electrical
Y
25 cm
Y
 cm / LL2 A = B CI C = D LL3 \ins # Dyn-Mot V # = S L T =
PIC/Thornton 4865 Electrical
PHOTO
Y
25 cm
Y
 cm / LL2 LL3 A = B CI C = D K \ins # Dyn-Mot V # = S L T =
PIC/Thornton English Electric
PHOTO
Y
10 cm
Y
 A = B C = D= B1 C1 =
Pickett & Eckel N16 ES
PHOTO
Y
25 cm
Y
SH1 SH2 TH DF = CF L S ST T CI C = D LL3 LL2 LL1 Ln θ dB D or Q XL Zs or Xc = C or L F λ ω τ τR' or X'c Cr = Lr db cosφ T'c or C'
Pickett & Eckel N515T Electronic
PHOTO
Y
25 cm
Y
(Lr)H (fx)2π A = (Cr)B S T (Lx or Cx)CI XL or fr-C = (D or Xc) L Ln Special Scales
Pickett & Eckel N531 CREI Electronic
PHOTO
Y
25 cm
Y
L Ln A = B CI C = D 2π K LL2 LL1 = S ST T C = D LL3
Pickett & Eckel N535 Electronic
PHOTO
Y
25 cm
Y
L Ln (AI or Cr) = B ST T S C = D DI KSpecial Scales
Pickett & Eckel N931 ES Electronic
PHOTO
Y
25 cm
Y
 K A = B CI C = D L LnLL2 LL1 = S ST T C = D LL3
Pickett & Eckel N1020 NRI
PHOTO
Y
25 cm
Y
K A = B ST T S C = D DI 2π DF = CF L CI C = D DI
Polytehnica Elektro
PHOTO
Y
25 cm
Y
 cm/ P K A = B BF CI C = D LL3 LL2 LL1 \ L R # Dyn-Mot V # = S ST T =
Post 1459
PHOTO
Y
25 cm
Y
K A = B CI C = D TΘ RΘ P = Q Q' C = LL3 LL2 LL1
Post 1461
PHOTO
Y
12.5 cm
Y
LL0 LL/0 K DF = CF CIF CI C = D R1 R2 LLL/1 LL/2 LL/3 = T ST S C = D LL3 LL2 LL1
Reiss Elektro
PHOTO
Y
25 cm
Y
K A = B CI C = D L LL2 Dyn-Mot = S ST T = V LL3
Relay 157
PHOTO
Y
25 cm
Y
Sr SΘ P' P = Q CF CI C = D DF LL2 LL3Sh2 Sh1 A = B K Th C = D Tr1 Tr2 db
Relay 158
PHOTO
Y
25 cm
Y
Sh2 Sh1 Th A = B BI S T CI C = D LL3 LL2 LL1 X2 X1 P2 P1 = Q Y L LX I = I LΘ1 LΘ2 LY
Relay 605
PHOTO
Y
12.5 cm
Y
 cm / Dyn-Mot LL2 A = B CI C = D LL3 V \ ins = S L T =
Relay 651
PHOTO
Y
25 cm
Y
K A = B S T = Dynamo-Motor VoltLL1 DF = CF CI C = D LL2
Ricoh 107
PHOTO
Y
25 cm
Y
 Dyn-Mot V A = B K CI C = D S T = LL3 LL2 LL1 L =
Ricoh 156
PHOTO
Y
25 cm
Y
db DF = CF CIF CI C = D A Xc XL K = KI S T = F2 F1 DI
Ricoh 159
PHOTO
Y
25 cm
Y
LL/1 LL/2 LL/3 A = B BI K CI C = D LL3 LL2 LL1Sh1 Sh2 P2 P1 = Q Sr SΘ Th C = D T2 T1 L
Rista 2 Electro
PHOTO
Y
25 cm
Y
Motor K A = B CI C = D Volt T S = LL1 LL2 LL3 =
Rista 22 Electro
Y
12.5 cm
Y
 Dyn-Mot V A = B CI C = D COS COS L = S S&T T =
HONO S.R.E ELEKTRON 25
PHOTO
Y
25 cm
Y
S T F A = B CI C = D P R ΠI/I0 dB P/P0
Seehase Elektro Praktikus
PHOTO
Y
12.5 cm
Y
Special Scales
Service Reed
PHOTO
Y
25 cm
Y
ins / K A = B CI C = D L # D/L D/L # = S S&T T =
Service Electro
PHOTO
Y
25 cm
Y
LL2 A = B CI C = D LL3 = S L T =
Shanghai THWD
PHOTO
Y
25 cm
 Special Scales Special Scales
Shanghai WXD
PHOTO
Y
25 cm
 S ST T m N2 = N1 C(Y) (Specal scale) dB Ω UI = Resistance Conductance U-I Lg X3 X2 X Cap = Ind(Resonant Frequency) C(Y)(Wavelength) Freq T Cap = (Cap Reactance)(Ind Reactance) dQ (Quality Factor) t (Time Constant)
SIC 1570 Duplex
PHOTO
Y
25 cm
Sr SΘ P' P = Q CF CI C = D DF LL2 LL3Sh2 Sh1 A = B K Th C = D Tr1 Tr2 db
SIC 1580 Electro Vector Log Log
PHOTO
Y
25 cm
Y
 Sh2 Sh1 Th A = BI S T CI C = D LL3 LL2 LL1 X2 X1 P2 P1 = Q Y L LX I = I LΘ1 LΘ2 LY
Sida SD1098
PHOTO
Y
25 cm
Y
 LL2 LL3 DF = CF CIF C = D S T L K A = B CI C = D V Dyn-Mot
Sida SD1398
PHOTO
Y
25 cm
Y
 cm/ LL2 A = B CI C = D LL3 # D V Dyn-Mot = S L T =
Dargue/Simplon S.E.10 (Bilateral)
PHOTO
Y
25 cm
Y
LU A = B CI C = D LL # Dyn-Mot V # = A S T D =
Skala
PHOTO
Y
25 cm
Y
Pradnica Sinik Volt L P K A = B CI C = D LL3 LL2 S L s-t
Staedtler 4870 Electro
PHOTO
Y
25 cm
Y
 cm/ LL2 A = B CI C = D LL3 # D V Dyn-Mot = S L T =
Staedtler 54106 Electro
PHOTO
Y
25 cm
Y
Y
V A = B CI C = D U / LL3 K = S S&T T =
Stanley "Electrical or Mechanical Engineers Rule"
PHOTO
Y
25 cm
Y
 cm / LU A = B C = D LL # Dyn-Mot V # = S L T =
Sun Hemmi 3
PHOTO
Y
25 cm
Y
LL2 A = B C = D LL3 # Dyn-Mot V # = S L T =
Sun Hemmi 4
PHOTO
Y
25 cm
Y
LL2 A = B C = D LL3 # Dyn-Mot V # = S L T =
Sun Hemmi 80 K
PHOTO
Y
25 cm
Y
cm / Dyn-Mot V A = B CI C = D LL2 LL3 / K= S L T =
Sun Hemmi 80/1
PHOTO
Y
25 cm
Y
 cm /LL2 A = B CI C = D LL2 # Dyn-Mot V # = S L T =
Sun Hemmi 80/3
PHOTO
Y
25 cm
Y
 cm / LL2 A = B CI C = D LL3 \ ins # Dyn-Mot V # = S L T =
Sun Hemmi 81/1
PHOTO
Y
25 cm
Y
 cm / LL2 A = B CI C = D LL3 # Dyn-Mot V # = S L T =
Sun Hemmi 81/3
PHOTO
Y
25 cm
Y
 cm / LL2 A = B CI C = D LL3 # Dyn-Mot V # = S L T =
Sun Hemmi 83
Y
12.5 cm
Y
LL2 A = B CI C = D LL2 # Dyn-Mot V # = S L T =
Sun Hemmi 84
Y
12.5 cm
Y
LL2 A = B CI C = D LL2 # Dyn-Mot V # = S L T =
Sun Hemmi 85
PHOTO
Y
12.5 cm
Y
 cm / LL2 A = B CI C = D LL3 # Dyn-Mot V # = S L T =
Sun Hemmi 85 Version
PHOTO
Y
25 cm
Y
 cm / dB Neper A = B CI C = D = TI2 TI1 SI1 =
Sun Hemmi 86
PHOTO
Y
12.5 cm
Y
 cm /LL2 A = B CI C = D LL3 # Dyn-Mot V # = S L T =
Sun Hemmi 86K
PHOTO
Y
12.5 cm
Y
 cm / Dyn-Mot V A = B CI C = D LL3 LL2 / K = S L T =
Sun Hemmi 86/3K
PHOTO
Y
 25 cm
Y
 cm/ LL2 A = B CI C = D LL3 LL2 / K # Dyn-Mot V #= S L T =
Sun Hemmi 87/3
PHOTO
Y
25 cm
Y
cm / LL2 A = B CI C = D LL3 \ ins # Dyn-Mot V # = S L T =
Sun Hemmi 152
PHOTO
Y
25 cm
Y
K A = B CI C = D T Θ RΘ P = Q Q' C = LL3 LL2 LL1
Sun Hemmi 153
PHOTO
Y
25 cm
Y
L K A = B CI C = D T GΘΘ RΘ P = Q Q' C = LL3 LL2 LL1
Sun Hemmi 154
PHOTO
Y
50 cm
Y
DF P' P = Q CF CI S θo = A D K Sx Tx Tωo = Th Sh Sh C = D L Χ
Sun Hemmi 255 Electrical Engineering
PHOTO
Y
25 cm
Y
Sh1 Sh2 Th A = B TI2 TI1 SI C = D Χ ΘL K DF = CF CIF CI C = D LL3 LL2 LL1
Sun Hemmi 255D Electrical Engineering
PHOTO
Y
25 cm
Y
Sh1 Sh2 Th A = B TI2 TI1 SI C = D DI Χ Θ L K DF = CF CIF CI C = D LL3 LL2 LL2
Sun Hemmi 256 Electronics
PHOTO
Y
25 cm
Y
L db Neper DF = CF CIF CI C = D LL3 LL2 LL1 A L/C = D SI TI = D λ F
Sun Hemmi 266 Electronics
PHOTO
Y
25 cm
Y
LL03-LL01 LL02 LL2 A = B BI CI C = D dB/L S T XL XC F τ1 = τ2 L(ind) Cf Cz = L Z f0 λ
Sun Hemmi 275
PHOTO
Y
50 cm
Y
L K DF = CF CIF CI C = D LL3 LL2 LL1 Sh1 Sh2 Th A = B TI2 TI1 SI C = D DI χ Θ
Sun Hemmi 275D
PHOTO
Y
50 cm
Y
L K DF = CF CIF CI C = D LL3 LL2 LL1 Sh1 Sh2 Th A = B TI2 TI1 SI C = D DI Θ
Sun Hemmi "Byoutou"
PHOTO
Y
25 cm
Y
V-cm / 1 2 = 3 4 5 6 = 7 8 / 9 10 = 16 17 18 =
Sun Hemmi No Name
PHOTO
Y
12.5 cm
Y
λ f0 L(H) = C(F) CI C = D A dBXc XL f = L(H) C(F) Xp Xs = Zs Zp
Tavernier-Gravet Electro
PHOTO
Y
25 cm
Y
 cm / LL2 A = B CI C = D LL3 # Dyn-Mot V # = S S&T T =
Tavernier-Gravet Electro 1-43
PHOTO
Y
25 cm
Y
 cm / LL2 A = B CI C = D LL3 # Dyn-Mot V # = S S&T T =
Tavernier-Gravet M. Fromy Radio Slide Rule
PHOTO
Y
25 cm
Y
 cm / L Cap = L(Ind) K C = λ f
Tecnostyl 41/E Electro
PHOTO
Y
12.5 cm
Y
Y
Cos A = B CI C = D Cos = S L T =
Tianjin Gong Nong Bing 6504
PHOTO
Y
25 cm
Y
T1 T2 K A = B F CI C = D L S LL01 LL02 LL03 SG1 = SG2 SG2' C R1 = R2 LL3 LL2 LL1
Tianjin Gong Nong Bing 6508
PHOTO
Y
12.5 cm
Y
T1 T2 K A = B F CI C = D L S LL01 LL02 LL03 SG1 = SG2 SG2' C R1 = R2 LL3 LL2 LL1
Timisoara Polytehnica
PHOTO
Y
25 cm
Y
 cm / P K A = B BF CI C = D LL3 LL2 LL1 \ L R # Dyn-Mot V # = S ST T =
Unique Electrical
PHOTO
Y
25 cm
Y
Y
LL2 °F CF = DF V CI C = D °C LL3
UTO 551 - U Darmstadt Electro 1A
PHOTO
Y
25 cm
Y
 cm / Motor K A = B CI C = D Volt T S = LL1 LL2 LL3 =
UTO 611 Richter Electro 2
PHOTO
Y
12.5 cm
Y
 cm /Mot K A = B CI C = D Volt T S= LL1 LL2 LL3
UTO 611 Richter Electro 22
PHOTO
Y
12.5 cm
Y
 cm /Dyn-Mot V A = B CI C = D Cosφ Cosφ L = S S&T T =
VEB Mantissa Electric
PHOTO
Y
25 cm
Y
LL1 LL2 LL3 A = B L CI C = D P S T Special Scales
White & Gillespie 432
PHOTO
Y
25 cm
Y
LL2 L A = B CI C = D K LL3 S A = B T = V Dyn-Mot
Westec Electronics Slide Rule
PHOTO
Y
25 cm
Y
Lr K 2π A = B S T CI C = D L Ln ST Special Scales
Woodworth (Electrical Wireman)
25cm
Wood
25cm
Unknown Maker (Czech origin) No 11
Y
25cm
Y
L A = B CI C = D K = S ST T =