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Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 157
Vibrating Flame Apparatus.Fig. 140. … Circular Mirror. SOUND.Figs. 141 to 144. 13sPhysics · Lantern projection · Electric apparatus and appliances
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
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