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Scientific American, Vol. 11, No. 21 (February 2, 1856) (1856)

leaf 3

An illustration from Scientific American, Vol. 11, No. 21 (February 2, 1856), 1856, leaf 3
d stuffs, large or small, of cold as low as 40 degs. A spirit thermom- No sane person, with these facts before him, the lowest degree of cold. the various sides being all planed simultane- eter (a very neat one of which is now before will say that an improvement which at once ously. Two cutter… … placing a pivoted board at a suitable distance ————~r0» '-@-e—__—_- from the gate, the board being connected by a When placed in the ordinary bearings, In almost every species of hoisting, whether Salt to Remove Ice. rod with the lower gate hinge. The board is their journals soon become so clogged…

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