White & Gillespie (W&G) 476 Dual Face Trigonometrical

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Country of manufacture: Australia,            Date of manufacture: ____
Overall length: 35.0 cm,          Width: 4.4 cm,           Weight: 128.8 gms
Materials: Celluloid laminate onto wood, metal end braces, adjustable
Cursor: 3.0 X 5.8 X 1.2 cms; plastic runners, metal framed glass lens, adjustable; lines = single line, front and back
Scales: 25, extensions on A, B, C, Reciprocal, D
Front: Stadia (V, H V H), Exsec Versine, Arc Chord, A [ Table of Versines, B, Sin<6°, Sin>6°, C, Table of Radians ] D, Tan<6°, Tan >6°
Back: LL, L, A [ B, Reciprocal, C ] D, Cu, LL
Gauge Marks: [ π, M (3183), C, C1, 2π, R'', R', R^o ]
Condition: C4-C5 (minimal to normal signs of use)
Came with: nothing

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