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Scientific American, Vol. 41, No. 3 (1879) (1879)
leaf 8
ng in loops of flat belts that mounted that they can be placed directly over such drill are attached at one end to the window frame and connect The drilling completed, the diver descends and stops the An insulator for telegraph wires, formed of a piece of glass perforated longitudinally, and a… … and mouth, and has transparent the tides. The operations of the eye plates or windows. scow are grandlysimple. With the © 1879 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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