Inductive elementary physical science with inexpensive apparatus, and without laboratory equipment (1897)
Bailey, Frederick H. (Frederick Harold), 1865- · Boston, D. C. Heath & Co. · leaf 114
three or four quart hot-water bag.iAttach to it several feet of rubber tubing by means of a 1 A two-quart bag costs from eighty cents to one dollar, according tothe qiiality. A three-quart bag, which is a much better size for the experi-ment, costs about twenty-fire cents more. AUXILIARY WORK. 79… … Note. —To make a funnel: if gas is available with which to cutglass, use the top of a bottle. With a rat-tail file make a hole in a corkthat fits tightly, and insert one of the short glass tubes. Or take thepressed tin cover of a baking-powder can, and make a hole in the centre(see Aux. 1), pushing…
Physics
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