Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 290
ful,and spread over each £i other in flat layers, suffi-cient water being sprink-led on to temper the pile.The sand is then cutthrough once with theshovel, then put througha No. 2 sieve, all lumpsbeing broken up andrefuse thrown out. It isnext put through a No. 4sieve, and thrown in apile ready for… … Fig. 107. Rotary Sieve. 255 102 FOUNDRY WORK riddle i.s slid hack and forth on a pair ot parallel hars snpportfd con-veniently above the storage pile. There are two classes of labor-savir.y; machines used in inixinifacings, core sand, etc.—those which mix by riddling, and those whichmix by a…
Mechanical engineering -- Dictionaries
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