ng the balance or producing breakage of the pin ployed, the number of dockings required will be re- jewel. duced by its use to the proportion of one tosix. A +0 vessel of the Russian Pacific fleet has already been THE AUTOMATIC RUBBER MIXER. coated with the new preparation, which, the authori- The… … accommodate the expansion and contraction of the and pivoted cover, above the lateral pipes, this opening, AUTOMATIC RUBBER MIXER. wires, is illustrated herewith, and has been patented by which serves also as a ventilator for the room, being Messrs. Thomas Griffin and William J. Mitchell, of…
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