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Scientific American, Vol. 53, No. 6 (1885) (1885)

leaf 4

An illustration from Scientific American, Vol. 53, No. 6 (1885), 1885, leaf 4
ewspa- resist the strain, the catch plate is made of a dovetail sharp pointed pins. The pins, in their normal posi- pers of the day, is mechanism for the practical use of tion, project but slightly beyond the face of the rub- shape, and is let into the side of the rabbet of the electricity. A new… … acted upon very much sooner after the filing than they which will cause the rubber base to yield slightly and TAYLOR'S IMPROVED DOOR BOLT. were a few months ago; but there is still too much de- the points of the pins to penetrate the stamp, which lay in the examination of cases, and there always…

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