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 333
IGHING AND MEASURING. (See also p. 214.) 2549. Differential weighing beam. The lower hook is suspended very near the centre line of the upper one, giving a close adjust-ment with a short graduated arm. 2550. Measuring or feed wheel, for seeds, &c. The little cups dip into the material, and… … THE ENGINEERS SKETCH-BOOK, Section 94.—WASHING. (See also p. 216.) 2554. Rotary clothes washer. Consists of an internal perforated drum driven round in alternate directions inside a fixed drum, orother vessel containing soap and water. 2555. Archimedean circulator, for a washing trough. Section…
Mechanical movements
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