Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 350
venting cohesionof the particles forming thepieces. The most commonflux for iron is clean sharpsand because it will fuse andstick to the surface and keepout the air; but work can bedone Without a flux, if it isdone quickly. For steel, itis better to use potters clay,wet with strong brine andthen… … Fig. 25. Outside Calipur.s Fig. 26. InsideCalipers
Electrical engineering
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