Perkins, Henry, 1803-1889, publisher, Haswell, Barrington, and Haswell, printer, McManus-Young Collection (Library of Congress) DLC · Philadelphia : H. Perkins, 134 Chestnut Street · leaf 153
under the rind of the apple,which is easily done by putting the needle in again at the samehole it came out of; and so passing on till you have gone roundthe apple. Then take both ends of the thread in your handsand draw it out; by which means the apple will be divided intotwo parts. In the same… … THE SELF-BALANCED PAIL. You lay a stick across the table, letting one-third of it projectover the edge; and you undertake to hang a pale of water on it,without either fastening the stick on the table, or letting thepail rest on any support; and this feat, the laws of gravitationwill enable you…
Scientific recreations
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