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Scientific American, Vol. 46, No. 7 (February 1882) (1882)

leaf 3

An illustration from Scientific American, Vol. 46, No. 7 (February 1882), 1882, leaf 3
of its non-conducting nature, which while the cop is being wound. compared with iron is as 1 to 37*5, it involves a loss of fuel M. Ader showed, at the Electrical Exhibition in Paris, an An improved device for tightening belts, especially eleva- in direct ratio with its thickness. When it is… … than in Farming Implements. clutch-dogs catching on the inner surface ADER'S MAGNIFYING TELEPHONE. of the circumferential flange of a disk The Montgomery Advertiser publishes a rigidly mounted on the axle, so that when partial list of subjects of taxation in Ala- the foot levers are depressed…

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