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 253
rrangement by which germinationmay be studied to a certain extent without pulling up theplants from day to day. The apparatus is made of % lumber. It is iox6x3. Grooves are cut in the sides and bottominto which pieces of glass are slipped. The space betweenthe glass sides is not more than one inch.… … FIGURE VIII. When studying the different kinds of trees, a test as to thestrength of the different kinds of woods makes a very inter-esting lesson. Figure VIII. shows a way by whichthe different woods may be tested.
Manual training · Paper work · Basket making
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