Thornton PIC No. 144 A. C. Electrical, Example 2

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Country of manufacture: England,            Date of manufacture: ____
Overall length: 30.4 cm,          Width: 4.6 cm,           Overall Thickness (including cursor): 1.5 cm,          Weight: 132.8 gms
Materials: Closed form simplex; celluloid lamimate over mahogany
Cursor: 4.1 X 3.9 X 1.3 cms; metal framed glass lens; plastic indicator on bottom edge  lines = one line on front face, one on bottom edge
Scales: 18, extensions on C, D
Front: 10 in. // Sine, Cosine, A [ B, CI, Z, °C, °F, C ] D, Tangent \\ Angle, L
Slide Back: [LL1, LL2, LL3, C]
Back: Physical Properties of Metals, Algebraic & Trig Functions, Conversion Factors
Gauge Marks: [ π, M, C, 1257 (4π), 2063, m (3438), C', 5774, 746 ]
Condition: C5 (Signs of Normal use)
Came with: Original dark green cardboard box/case

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