BRL Alexander Slide Rule for Pipe Weights and Strengths, 2nd Edition

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Country of manufacture: England,            Date of manufacture: ____
Overall length: 31.7 cm,          Width: 9.0 cm,           Weight: 226.1 gms.
Materials: All plastic
Cursor: 3.5 X 9.7 X 0.5 cms; all plastic, slightly magnifying; lines = single line front and back
Scales: 23
Front: lb/ft, ft/short ton, ft/long ton, short ton/mile, long ton/mile, ft/metric ton, kg/meter + met. ton/km, meters/metric ton, (D-t)mm, (D-t)inches [ t.inches, t.mm, Derating factors, linear plotting scale, Yield Point or fiber stress (kg/cm², P.S.I.,) D.mm, D.inches ] t.inches, t.mm, Max Hyd. Static Test Pressure (P.S.I., m.atmos, relative carrying capacities
Back: Instructions for Use, conversion factors, decimal equivalents, gauge equivalents, pipe dimensions
Gauge Marks: [      ]
Condition: C1 (Mint but all extras not mint)
Came with: Orig. black wooden hinged box/case, instruction booklet

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