Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 128
of a blowpipe, and for other uses requiring- amoderate amount of air or gas under pressure. The method of accomphshing this is illustrated in Fig.107. The instrument is arranged to discharge into a bottleor other vessel having an overflow, and the air for the blastis taken out through the angled… … Blast produced b} the Aspirator. Plate and Receiver for Aspirator. central aperture, and having a tube extending from theaperture to the edge of the plate, will be found useful. Thetube is provided with a suitable valve, which closes commu-nication with the asjiirator, and which also serves to…
Physics · Lantern projection · Electric apparatus and appliances
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