Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 721
e increased very gradually. 698 EXPERIMENTAL SCIENCE. MAKING MOULDS FOR, AND CASTING AND FINISHINGARTICLES IN THE MORE FUSIBLE ALLOYS. By the following simple process, with few tools and ma-terials, the virtuoso may reproduce his rare and curious arti-cles, the artist may fix his ideas in enduring… … Plaster Mould, ings for the trades; but it will be found useful and conveni-ent for amateur and artisan. A medallion, a bass-rehef, or an article of less artistic de-sign may be chosen for a pattern. In any case it must havethe necessary qualifications for moulding, namely, a smoothwater-proof…
Physics · Lantern projection · Electric apparatus and appliances
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