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Scientific American, Vol. 81, No. 10 (September 1899) (1899)

leaf 10

An illustration from Scientific American, Vol. 81, No. 10 (September 1899), 1899, leaf 10
emarkable development of the pin lock making an improvement which would make it com- paratively safe, while it was reserved for the ingenious is, however, what is known as the "Yale lock," which The earliest lock of which the construction is known American inventor to take the clumsy old device and… … VIEW OF OBNAHENTED EGYPTIAN PIN LOCK—FBOU DAMASCUS. and forth, securing the door to the door jamb. of Bibi-Eybat. "The Relations of Physics The outside of these locks is often richly orna- and Astronomy to the Development of Me- mented with inlaid pearl in Oriental designs, as in the a crude idea…

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