N. Y. WEEKS & POTTER, Boston,Proprietors. L14 13*os tf-N 14 12os] 728 Chestnut street, Philadelphia Pa. LE COUNT'S Patent Hollow Lathe Dogs, 8 Sizes, from % to 2 inches $ 8 00 12 Sizes, from % to 4 inches $17 30 Improved Machinists' Clamps, 5 sizes $11 (-0 RAILROAD MASTER MECHANICS ATTENTION. Stout… … the pressure is let off the lever, the motion stops ; and it ia also so ar- BUILT BY HAWKINS & JAMES. ranged, that it is self-supporting and will not move up or down un- less the lever is applied. The machine is adapted to all kinds of work, but more and Ingenious mechanics In the car works of the…
Combination · Purpose · Claim · Constructed · Arranged · Manner · Patents · Set · Purpose set · Described · Henry carey · Turbine water · Purposes set · Manner set · Reissue received · Lapis lazuli · Pose set · Scientific American · Treating vegetable
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