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Scientific American, Vol. 12, No. 5 (January 1865) (1865)

leaf 7

An illustration from Scientific American, Vol. 12, No. 5 (January 1865), 1865, leaf 7
to the production of an edge that advantage. In common sliding door sheaves it has over those generally used. The cutters are furnished would stand. The edges are hardened on a peculiar been found difficult to lubricate the working parts, by the manufacturers, D.C. Stone <fc Co., by whom.this plan,… … Whenever the crystalline are inserted in a plank STONE'S MILL-STONE PICK. spangles seem to be thor- and placed above a beam oughly brought out, the plate must be immersed in carrying the track, over the door. The door is acknowledged to be snperior. The first cost of these water, washed either wtth…

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