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Scientific American, Vol. 20, No. 8 (February 1869) (1869)

leaf 3

An illustration from Scientific American, Vol. 20, No. 8 (February 1869), 1869, leaf 3
isset in a mortise through the the handle prolonged would pass through the axis of the of civilized peoples. Yet until within the memory of the stile, B, and a similar butnarrower mortise—to conform to the screw instead' of to one- side as in the nook wrench. present generation, Indeed, until… … faces being polished or glazed, impervious to moisture, and quiring a less proportionate weight to balance the sash, and The discovery of the S-wrench might easily have occurred not liable to discoloration or stain from dust, smoke, etc.; 3d, giving a longer life the cord; no rusting, and always in…

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