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Scientific American, Vol. 68, No. 12 (March 1893) (1893)

leaf 3

An illustration from Scientific American, Vol. 68, No. 12 (March 1893), 1893, leaf 3
IHS COLUHBIA CBUDE OIL BVSHBB AHD AIB IKJIGTOB. VTATTS BRACKET FOR I MINERS LAMPS. piece of leather, to which the lamp may be secured, instead of purchasing patent caps with brackets riveted to them; but this improvement is simple and inexpensive, and far preferable to a leather fastening, while it…

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