Hyperbolic Match Output



Model:No. 157


Scales Front: || 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.

Scales Back: || Sh2, Sh1, A || B, K, Th, C || D, Tr1, Tr2, db || Note: db is 20 lg x

Gauge Marks: π is on A, B, C, D, CF and DF; π/4 and M are on A and B; c and c1 are on C and D; e is on LL2 and LL3

Cursor Front:

Cursor Back:

Construction: 25 cm.; Plastic face on laminated wood ; Cursor is not framed; Adjustable metal brackets.


Source: ISRM