Worst, Edward F. (Edward Francis), 1866-1949, Barber, Harriette, [from old catalog] joint author, Seymour, Marian, [from old catalog] joint author · Chicago, A. W. Mumford and company · leaf 262
s made by a tinner. Theleft side is painted white and the right side black. The g-lass tube is filled with a colored fluid. Each end isthrust through a rubber cork placed in the mouth of a i oz.flask. Boiling hot water is poured into the tin receptacle. The side painted white throws off heat enough… … FIGURE XXII In connection with atmospheric pressure the lifting andforce pumps are interesting pieces of apparatus to make. A No. g, rubber stopper fits into the bottom of a smallsized argand lamp chimney, as shown in drawing. The rubber stopper has two holes as the same stoppermay be used to…
Manual training · Paper work · Basket making
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