Ricoh 156, Electronics

Country of manufacture: Japan,            Date of manufacture: 1964,    date code: M.K-3
Overall length: 32.0 cm,          Width: 4.1 cm,           Weight: 111.6 gms
Materials: Celluloid laminate over bamboo, metal end braces, adjustable
Cursor: 3.0 X 5.2 X 1.0 cms; alll plastic, adjustable; lines = single line, front and back
Scales: 17
Front: db, DF [ CF, CIF, CI, C ] D, A
Back: XC, XL, K [ KI, S, T ] F2, F1, DI
Gauge Marks: [π, C, ρo ]
Condition: C3 (Very Minimal Signs of use)
Came with: Original brown leather case