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Scientific American, Vol. 62, No. 19 (1890) (1890)

leaf 3

An illustration from Scientific American, Vol. 62, No. 19 (1890), 1890, leaf 3
orms the subject ‘ducing a lid but slightly joined to the can by a nar- is a post which may be adjusted as to its distance to or of a patent issued to Mr. Frank A. Robitaille, of from the grate, and on this post an arm is adjustably Helena, Montana. Three of the side bars of the drum- | row strip… … block. A sleeve in the side of BOOTHBY’S CAN OPENER. the column nearest the clock supports a rock shaft, on the inner end of which is alug the third side bar, in which is journaled one end of the and on one of the limbs, at a suitable distance from adapted to depress the locking spring and release…

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