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 204
e vent-ing on sides and bottom as well as top. Fig. 21 shows side vents a a 174 FOUNDRY WORK 21 a a c-(jimectiiig with tlu* air tlirougli the channel h h h cut aiiMig jointand risers c c c passing through the cope. At the bottom the ventsconnect with cross vents d d run from side to side between… … Fig. 21. Use of Risers. Fig. 22. Mold Bedded in Floor. rammed over entire bottom of pit. The gases find escape from thiscinder bed through a large gas pipe. In pouring, the gas from vents should be lighted as soon as maybe. The burning at the mouth of vents helps draw the gases frombelow and also…
Mechanical engineering -- Dictionaries
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