Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 481
square inch required to movethe pencil one inch is stamped on the spring, and the springsare designated by that number. It is essential to know theerror, if any, in this number. A spring can be readily removedand another substituted when desired ; the maximum compres-sion probably should not exceed…
Building materials · Machinery
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