Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 644
Rotator for the Lantern. Fig. 594, Section of Rotator. the back piece is arranged to direct a jet of air upon thevanes, and thus cause the glass wheel to revolve. AFletcher blowpipe bellows furnishes a suitable blast forthis purpose. To the rim of the arlass wheel are fitted disks for blend- FlG,…
Physics · Lantern projection · Electric apparatus and appliances
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