Lawrence Engineering Grizzle Water Line Capacity Slide Rule

Country of manufacture: USA,            Date of manufacture: ____
Overall length: 21.3 cm,          Width: 3.0 cm,           Weight: 22.4 gms
Materials: wooden body and slide, scales printed on painted surfaces
Cursor: 2.3 X 3.0 X 0.6 cms; metal framed plastic; lines = single line, front side only
Scales: 8, specialized
Front: Inside Dia in inches [ lenght of line in feet, cubic feet per second, gallons per 24 hours, gallons per minute ] coefficient of roughness, loss of head in feet, pressure loss lbs per sq inch
Back: Instructions for Use
Condition: C3 (Very minimal signs of use
Came with: Original black leather sheath