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 331
2531 2^35. 25|32. … 326 THE ENGINEERS SKETCH-BOOK. 2541. Tap, with crank movement, to open and close an ordinary musliroom valve. 2542. Spring loaded valve. May be opened by lifting, as shown, or by a horizontal pull in any direction, the pull rod being attachedto the top of a fixed stud in the centre of the valve,…
Mechanical movements
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