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 339
rew plug, with two lugs to screw it up by a plain bar placed between them. 2583. New form of manhole door. 2584. Screw fixing for a plug, door, or valve, quickly released or secured. 2585. Hollow plug, with square recess for a key or spanner. Flush plug. 2586. Soot door. 2587. Funnel plug, for… … 334 THE ENGINEERS SKETCH-BOOK. 2590. Soot door. 2591. Ditto in section, opened by pulling outwards and downwards;the hook at top prevents it falling out. 2592. Screw cap or cover. 2593. Revolving door. 2594. Sliding door for furnaces, <S.g. The weight of door may be relieved by rollers at top,…
Mechanical movements
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