le to state that proposals from several of our leading steel makers Improved Wood Screw and Driver. Manner;of Using Steel in the St, Louis Bridge. in the United States have been received, and also from the The slotted head of the common wood screw is frequently most celebrated in Europe,among whom… … ty and permanency of tke in Fig 1, has three corresponding structure, fully convinced me, JACOBUS' PATENT WOOD SCEEW AND SCEEW DEIVEE. jaws which by a. simple arrange- at the inception of this enter- ment automatically open and prise, of the necessity of instituting a careful series of exper- the…
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