GANG BORING MACHINE. The gang boring machine shown in the annexed engraving experiment with the Mystery, on the Potomac. They say: being operated upon. " As to the adaptability of this type of machinery to steam ] An improved lamp extinguisher, patented by Mr. George is made by William White & Co.,… … the fibers of wood for the manufacture of of each other. They are carried on V-ways, brushes, which consists in first soaking the and are consequently parallel. GANG BORING MACHINE. wood in heated alkaline water, then sepa- All practical woodworkers know it fre- rating the fibers by pressing and…
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