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Scientific American, Vol. 33, No. 21 (November 1875) (1875)

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An illustration from Scientific American, Vol. 33, No. 21 (November 1875), 1875, leaf 0
angle iron 5 x 5 x J all things being considered, of an inch thick, and 6x6x1 safe makers of the present inch thick; while that forming day find themselc«s met by the door is made of angle iron weapons of ofiense, which 9x6x1 inch thick, attached compel them constantly to I ' ^^^^^^f^M ll to the… … is li lbs. It may thus be es- forming thereby a chamber t i m a t e d: Experiment has underneath the safe, designed shown that the velocity of the BANKER'S STRONG ROOM. to prevent the room from be- shell when it leaves the mouth of the cannon is about 1,300 feet per second. The hight virtually make…

Patents · Water · Inches · Patented · Improved · Sewing machine · Inventor · Postage included · Hot water · Carbonic acid · Strong room · Patent office · Solid emery · Years ago · Feet high · Fourteen years

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