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Scientific American, Vol. 39, No. 22 (November 1878) (1878)

leaf 4

An illustration from Scientific American, Vol. 39, No. 22 (November 1878), 1878, leaf 4
cards; they are covered PENDULUMS. with an adhesive varnish, or with white wax mixed with a nearest to perfection in regulating. The use of compara- We illustrate herewith, in two figures, a novel and in- little turpentine, upon which is dusted, with a fine sieve, tively light balls, springs, and a… … on a sudden enriched with a quantity of honey and wax, JACOT'S BEGULATOB. difference in motion. The end of the valve stem is extended which is immediately sent to the market. This species of through the top of the composition collar, and furnished industry procures for the Egyptians an abundance of…

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