Thursday, May 28, 2026
Leiman Bros. Bulletin of the Boards of Standards and Appeals | 1930
Bulletin of the Boards of Standards and Appeals, Vol XV, 1930, p. 842
A Complete Treatise on the Electro-Deposition of Metals | 1909
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A Complete Treatise on the Electro-Deposition of Metals | 1909, p.192-93
Plant and Equipment — Leiman Bros. Air Pump Size F. | 1921
28th Annual Convention of the Pacific Coast Gas Association, 1921, p. 192
The Leiman Bros. Size F is a heavy-duty, rotary vane vacuum pump and air blower known for its ability to take up its own wear during operation. Historically used for industrial automation, printing, and portable outfits, it is a large-capacity unit featuring a 22-inch diameter and capable of pushing up to 338 CFM. [1, 2]
Key Specifications
- Drive Type: Pulley/Belt driven (requires specific single or double pulley setups)
- Pump Diameter: 22 inches
- Capacity: Ranges up to 338 cubic feet per minute (CFM)
- Operating Pressure/Vacuum: 1 oz. to 10 lbs. pressure; 1 to 20 inches of vacuum
- Recommended Motor: Often paired with large 3 HP motors
Sunday, May 24, 2026
Saturday, May 23, 2026
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