Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 29
over a vertical scale, with means for clamping the tele-scope in various positions and of reading minute distances.The one shown in the engraving (Fig. 20) consists of a solidbrass tripod or base supporting a standard of the same metal,the cross-section of which is shown at different points by… … FiG. 20.—The Cathetomkter. pended within the brass tubes on either side by cords attachedto the upper end of the carriage, and passing over the pulleys 56 EXPERIMENTAL ENGINEERING. [§ 43, shown at the top of the column. The column is made ver-tical by reference to the attached plumb-line. The…
Building materials · Machinery
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