PIC 111 Rietz Simplex Trig

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Country of manufacture: England,            Date of manufacture: ____
Overall length: 30.4 cm,          Width: 4.2 cm,           Weight: 122.0 gms
Materials: celluloid over wood laminate, pinned; simplex design
Cursor: 4.2 X 3.5 X 0.6 cms; metal frame holding glass lens; lines one
Scales: 11, extensions on A, B, C, CI, D
Front: 27 cm // L, A [ B, CI, ISd, Td, C ] D, K \\ 10 in
Slide Back: blank
Well: blank, with label: "PIC No. 111"
Back: Equivalents, constants, properties of materials, conversion factors
Gauge Marks: [ π, C (1128), s (2063), m (3438), C' (3568), U (573), M (3183) ]
Condition: C5 (Normal signs of use)
Came with: Original black cardboard box/case

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