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Scientific American, Vol. 42, No. 21 (May 1880) (1880)

leaf 5

An illustration from Scientific American, Vol. 42, No. 21 (May 1880), 1880, leaf 5
, more alcohol or a drop of F. Pike, of Providence, B. I., who will supply any further water may be added to the solution; if it inclines too strongly information desired by our readers. to the pink a few more grains of the salt. The solution may be poured into a long narrow test tube, NOVEL… … CHILD'S TRANSPARENT SIGN. WOOD'S CORN GRATER. commenced the construction of one machine and three dry- transparent signs recently patented by Mr. Hubert Child, of ing presses, and will shortly put up four more machines and is entirely free from hulls, and may be used in a great "Wichita, Kan. The…

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