Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 61
in J testing the tensile strength of metals. S, article to be tested; w^ stops to control vibra-tion of levers ; W, weight. 150. BOURDON PRESSURE GAUGE.—A flattened spring metal tube is bent toa circular form. One end is fixed to theinlet stud; the other end is connected toa lever sector by a link.…
Mechanical movements
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