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Scientific American, Vol. 16, No. 19 (1867) (1867)

leaf 15

An illustration from Scientific American, Vol. 16, No. 19 (1867), 1867, leaf 15
a brace when the door is raised beyond a vertical position. The same irregularity may be observed between the second should be a law compelling every truck to have wheels of In opening the trap, soon as it has passed a vertical position eight-inch face, and every stage and express wagon wheels of… … chines have received a certain amount of strength and solidity angle, or by pushing the bar which, as a rule, was not to be found in the original tools im- in with the foot the trap may ported from America. The circumstances which are most be laid flat on the floor or favorable to the invention and…

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