Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 61
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. The sector ismeshed with a small pinion on the arborcarrying the index hand. A hair springattached to the arbor keeps all…
Mechanical movements
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