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 265
icknessat center is reached. Thrust this into a bottle containingmercury. It soon fills. Place the finger over top. Eachtime the finger is raised a drop of mercury is released fromopposite end. The barometer tube once filled it is inverted, the openend being thrust into the bottle on the shelf a.… … FIGURE XXV. A press in the ordinary school room is an almostdispensable piece of apparatus. It may be made any size, 2xixi is a good size.The screws may be purchased at any department store m- 262 GAME.
Manual training · Paper work · Basket making
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