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Scientific American, Vol. 90, No. 6 (1904) (1904)
leaf 10
e con- on September 11 near Erwood, N. W. T., while superin- ment with notches in the pins. One end of the lock nected by a tubular sleeve slipped over their inner bar is extended to form a handle. A pin secured to ends. One end of this sleeve is connected with one of which he was the inventor and… … spring metal sides close over the coin, and hold it AN IMPROVED LIFTING JACK, © 1904 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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