Hyperbolic Match Output

Number:91

Maker:RICOH (Japan San - Ai Group)

Model: No. 159

Scales Front: || LL_-1, LL_-2, LL_-3, A || B, BI, K, CI, C || D, LL₃, LL₂, LL₁ || Note: A number of the scales are extended.

Scales Back: || Sh₁, Sh₂, P₂, P₁ || Q, Sr, Sθ&Sθ, Th, C || D, T₂, T₁, L || Note: Sr is radians; Sθ is degrees

Gauge Marks: π is on C, and D; 2π is on C and D; C is on C and D; Marks f and ρ⁰ are on C and D; e is on LL2 and LL3.

Cursor Front:

Cursor Back:

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

Date:

Source: S.T. and WKRM

Information: (Have copy of manual from Scott Pawelka).