Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 363
with a stiff bristle brush, gen- FiG. 324. … The Coating Box. erally a hair brush devoted especially to this use. The buffwas then recharged by dusting on rouge from a muslin bag.When the rotary buff wheel was adopted, it insuredrapid work, but it was otherwise no improvement over thehand buff. At first, the wheels were made cylindrical, but…
Physics · Lantern projection · Electric apparatus and appliances
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