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Scientific American, Vol. 21, No. 10 (September 1869) (1869)

leaf 4

An illustration from Scientific American, Vol. 21, No. 10 (September 1869), 1869, leaf 4
pressure. ently a man, who was working in the shop, said lie had often A is a cylindrical case of iron or brass, about eight inches Fig. 4 shows a locked safety valve, the novelty in which lit his forge fire by this means before matches were plentiful. He took a nail such as is used for horseshoes,… … doubled ; and this duplication varies from a partial division wider—while the space be.ween the rim and disk has not in- long and three inches diameter, in which is supended a float, of the head only to two nearly complete fish, with different creased, the sides being va-tical—and more steam will…

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