The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose; (1902)
Barber, Thomas Walter. [from old catalog] · New York, Spon & Chamberlain · leaf 295
ted independently on a pair of end centres. 2265a. Double lever for a plug cock, to be operated by two cords. Section 49.—LOCKING DEVICES. (See also p. 110.) 2266. Lever action for a door, &c., to lock it, open or shut, in fixc«l positions. 2267. Lever action for a gate or door, to open or… … 290 THE ENGINEEBS SKETCH-BOOK. 2270. Secret screw attachment. The screw is fixed to the back of any article, and fastened to the fixing A by sliding along the slot.Two, three or four screws and slots are generally used. 2271. Bolt lock. The bolt can b« released by revolving it 180°. 2272. Gib-key…
Mechanical movements
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