Morgan, William Ray, b. 1898, Charles, Andrew Hoyle, Jr · leaf 32
were employed for the determination of the effect of the variation in content of cobalt and nickel oxides upon aground coat. 1. Color and texture. 2. Impact test. No definite standards are in practical use for the determinationof color and texture. Hence the physical appearance to the unaidedeye… … Page Impact Machine The machine was an electrically driven hoist which alternately ele-vated and tripped a one kilogram weight at a desired height. Failurevaried with the number of blows and with the distance the hammer fell 13. F.L. Ilichols Co. ; Washington, B.C.
Enamel and enameling · Theses
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