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Scientific American, Vol. 56, No. 17 (April 1887) (1887)

leaf 4

An illustration from Scientific American, Vol. 56, No. 17 (April 1887), 1887, leaf 4
the depositing vat or the engraving. The flanged sides of the tiles are trough of the electrotyping placed against the walls of the building, the tiles of LEWIS TENT POLE AND VENTILATOB. apparatus. The middle part each tier being fastened to the wall by hooks driven Those who have used tents have… … Upon the upper supporting or parallel with it. This keeps it stationary in hook is sweated or otherwise secured a second hook, SNELL'S DOUBLE AIB CHAHBEB ETTBBINa TILE. either the working position or out of the way, having a sharpened point, so that when the hanger as desired. Another invention in…

Patented · Armature · Wire · Iron · Patents · Scientific American · Electric light · Armature core · Field magnet · Iron rings · Address munn · Express money · Sea lions · Armature shaft · Tent pole

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