Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 396
ed the supports ofthe discharge rods or con-ductors. The latter areprovided with vulcanitehandles by which theymay be moved in thesesupports as may be re-quired. The stationary glassdisks are each providedon their inner faces at dia-metrically opposite pointswith small metallic sockets,attached to… … Attachment of the Leyden Jar. foil attached to the glass. Thebe turned in the vulcanite ringto adjust the brushes at the required angle, which is about45° with the plane of the collecting forks. One of the rotary disks is driven by a straight belt, theother by a crossed belt, both belts being…
Physics · Lantern projection · Electric apparatus and appliances
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