Page:The American Boy's Handy Book edition 1.djvu/82

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How to Stock a Fresh-Water Aquarium.
57

fifty cents enough can be purchased to cement a large aquarium; but for the benefit of those among my readers who live out of the cities, the following receipt from the Scientific American is inserted.

"Aquarium Cement.—Linseed oil, 3 oz.; tar, 4 oz.; resin, 1 lb.; melt together over a gentle fire. If too much oil is used the cement will run down the angles of the aquarium; to obviate this it should be tested before using by allowing a small quantity to cool under water; if not found sufficiently firm, allow it to simmer longer or add more tar and resin. The cement should be poured in the corners of the aquarium while warm (not hot). This cement is pliable, and is not poisonous."

Whirligig and the Eel.
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