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Scientific American, Vol. 38, No. 20 (May 1878) (1878)

leaf 5

An illustration from Scientific American, Vol. 38, No. 20 (May 1878), 1878, leaf 5
forms of animal life known as Ammbm, metal ferrule terminating in a screw. The felly has a metal the inside it was almost black. They attempted to put it etc. The gelatinous material of which they are composed in socket to receive the outer end of the spokes. their first stages bears considerable… … Dr. Steiu has recently invented a. method of photograph- dispute has been whether the spiral markings were external DEADEEICii'S lilPEOVED VEHICLE WHEEL. ing the beats of the pulse. It consists in photographing a or internal, whether caused by the twisting of the thread or beam of light which has…

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