Thornton/P.I.C. Clementson Steam Pipe Sizing Slide Rule

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Country of manufacture: England,            Date of manufacture: ____
Overall length: 28.7 cm,          Width: 2.9 cm,           Weight: 65.5 gms
Materials: painted wood, pinned scales, closed form simplex type
Cursor: no cursor
Scales: 7
Front: Steam Pressure Gauge: Lbs per Sq. Inch, Lbs per Sq. Inch, Steam Pressure For Velocity Reading [ Pressure Drop Lbs per Ft. Run, Velocity Ft. per Second, Lbs per Hour ] Pipe Diameter: 1/2" to 10", 1/2" to 10", Red Diameters for Velocity Reading
Gauge Marks: [      ]
Back: Directions for Use, Capacities for Condensate Pipes to Hot Well by Gravity
Slide Back: Blank
Condition: C4 (Minimal signs of use)
Came with: Original red cardboard case

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