Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 485
The Brumbo Pulley. A form of the pendulum-motion, called the Brumbo pulley^is frequently used as shown in Fig. 189. The pendulum is some-times modified, so that its lower end is pivoted directly to a … Fig. 190.—^The Pantograph. point in the cross-head, its upper half moving vertically in aswinging tube. The cord is attached to an arc on this tube asin Fig. 188. 476 EXPERIMENTAL ENGINEERING. [§ 391. The pantograph, or lazy-tongs, as shown in Fig. 190, withplan of method of attachment shown in…
Building materials · Machinery
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