Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 326
ges with Standard Weights, There are two forms of this apparatus on the market, in oneof which the pressure is received on a round piston, and inthe other on a surface exactly one square inch in area. Thefriction in both cases is practically inappreciable ; the errors inareas can be determined by… … Wig. 13s.—Test-pump for Gauges.
Building materials · Machinery
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