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Scientific American, Vol. 46, No. 21 (May 1882) (1882)

leaf 4

An illustration from Scientific American, Vol. 46, No. 21 (May 1882), 1882, leaf 4
shown partly in section. It will be placed infront of the safe or vault on a level with the floor, of whichit really forms a part. It covers sufficient space so that aperson cannot come within a certain distance of the safewithout stepping upon it and giving the alarm. The platform is supported on… … id-^—H- - ^-,.y.-^f^0^^^x- ^ ^\^^^^ WH ^%^

Patented · Patents · Plate · Shaft · Main track · Engraving · Upper grinding · Toothed arc · Scientific American · Feed water · Switch rails · Window blind · Shaft loop · Starch sugar · Steam steering

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