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Scientific American, Vol. 57, No. 12 (September 1887) (1887)

leaf 4

An illustration from Scientific American, Vol. 57, No. 12 (September 1887), 1887, leaf 4
g the wrench to a pipe curacy and uniformity are thus se- this lever is pressed down upon the handle by the cured, and the operation can be hand, tightening the toothed jaws upon the pipe in most expeditiously performed. proportion to the force applied. ■<« ♦ ■»■ For further information relative to… … having been saved from nre, as is ADAH8 BLINDEB ATTACHMENT FOB BBIDIE8. SHEBMAN'8 SAW PILES. © 1887 SCIENTIFIC AMERICAN, INC.

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