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Scientific American, Vol. 54, No. 23 (June 1886) (1886)
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forward end of the machine is sup- The shafts carrying the two lower saws can be ported upon a hinged leg. moved longitudinally in their bearings, to bring the Thif invention has been patented by Mr. B. D. One end of %c\Js>*.:vVi. saws alternately in position for action. each shaft is held in a… … ©■y^NK.^!^; other is exhausted. They must not let it get out of required saw being brought forward by operating the their hearing, for if it stops unnoticed its location can lever. The lower saws may be made with their teeth only be established by cutting the pipe. pitched in opposite directions,…Patents · Lifeboat · Boat · Munn · Patented · Scientific American · Joseph wild · American supplement · Address munn · Rear ends · Tool boxes · Mount etna · Calorific power · Express money · Years ago
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