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Scientific American, Vol. 84, No. 1 (1901) (1901)
leaf 4
32 INCHES LONG. spark points separated about 382 inches. ous Rukwkorff in Paris. He had also a The results which will be obtained in very excellent series of Crookes tubes re- connection with wireless telegraphy ex- cently purchased to exhibit their beauti- periments can only be conjectured, inas-… … tons ; and Mexico bv 7.078 tons. the secondary, the outer sections at each end being of thicker wire than *SeeSciENTIFIC AMERICAN SUPPLEMENT, No. 927. © 1901 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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