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 259
ire from which the bullet first drops is the best con-ductor. This should be tried several times before coming to adefinite conclusion. The pupils are now ready to understand what is meant bygood conductors and poor conductors. They »re now ready for the question of why we wearwool in the winter… … FIGURE XVIII. In connection with the study of heat the above exercisemakes a good problem in wood. The base is made of woodioxi^x3. The upright parts are 4 high. A dial isdrawn on the upright piece to the left. Just above the dialand near the top a piece of wood is thrust through 3. y%hole. A slit…
Manual training · Paper work · Basket making
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