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Scientific American, Vol. 65, No. 21 (November 1891) (1891)

leaf 10

An illustration from Scientific American, Vol. 65, No. 21 (November 1891), 1891, leaf 10
s at temptation is often great to make one or two trays description is hardly necessary ; the engravings tell the that place have ten 3 inch Cook brass strainer tube answer all purposes ; but modern photography forbids whole story. wells 30 to 60 feet in the ground, nearly all of which the double… … =^^ x:^^d&^fc^>. oughly during the process of development without unduly exposing the plate. It consists of a two-candle Fig. 2.-THE FLASH. power incandescent lamp attached to a handle and inclosed by a hemispherical reflector closed at the front receive a wire which is bent at one end, forming a…

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