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Scientific American, Vol. 47, No. 11 (September 1882) (1882)

leaf 3

An illustration from Scientific American, Vol. 47, No. 11 (September 1882), 1882, leaf 3
red on the axis, a. This permits of fix-ing the disk in any position whatever. NEW BAILBOAD SIGNALING AFPABATUS. We give an engraving of an improved signaling appara-tus designed to give at railroad crossings an unmistakableindication of the approach of a train. The illustration .shows the…

Patented · Patents · Giffard · Apparatus · Scientific American · Inventions · Train men · Steam engine · Formic acid · Wind wheel · Patented improvements · Valuable inventions · Feed apparatus · High speed · Speed steam

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