. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . Fig. 2.—The Crosby indicator. Fio. 3.—The Batchekler indicator. The Batchclder Adjustable Spring Indicator is shown in Fig. 3. The special features ofthis instrument consist in the T-shaped hollow case, adjustable flat spring, })ositive parallelmotion, and stop-motion for paper drum. The cylinder is separate from the case flat steel spring works in the horizontal body of the case, one end being rigidly se
. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . Fig. 2.—The Crosby indicator. Fio. 3.—The Batchekler indicator. The Batchclder Adjustable Spring Indicator is shown in Fig. 3. The special features ofthis instrument consist in the T-shaped hollow case, adjustable flat spring, })ositive parallelmotion, and stop-motion for paper drum. The cylinder is separate from the case flat steel spring works in the horizontal body of the case, one end being rigidly securedand the other attached to the connecting-rod between the piston and pencil-lever. Thechange of spring is made by removing the screw that connects it to tht piston-rod, and theone which holds it in the case. Connection is made with the piston with a ball-and-socketjoint. The scales are marked on the face of the case, the upper one being for low pressureand the other for high pressure. The parallel motion is secured by confining the end of thepencil-lever in a small roller which runs in the vertical slot. The height of the atmosphericline is adjustable by means of a
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Keywords: ., bookcentury1800, bookdecade189, booksubjectmechanicalengineering
