Inside Out Library · Explore

Scientific American, Vol. 68, No. 2 (January 1893) (1893)

leaf 10

An illustration from Scientific American, Vol. 68, No. 2 (January 1893), 1893, leaf 10
reburnished. The How Needles Are made. next operation is that of polishing the needles, and ^edles are manufactured out of superior quality of which is performed by a rapidly rotating wheel cov- steel wire cut into lengths to make two at a time. ered with prepared leather. The needles are caused to… … examine him. After the poor fellow's "Q "NATIONAL" TYPEWBITEB-BACK VIEW OF FBAHE. O death a post mortem examination was made and resulted in a solid mass of steel FINGEB-KEY ACTION. polish them. Finally they are counted and stuck by and stone dust about the size of a bird's egg being found, as he…

Shaft · Patents · Machine · Siemens · Munn · Scientific American · Von · Takes place · Stubbs files · Werner von · American files · Square feet · Years ago · Sewing machine · Von siemens · Keel blocks

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 68, No. 2 (January 1893)

More like this