Scientific American Volume 85 Number 10 (September 1901) . INDUCTION vUl L<»5 for experi-ments in X rays andother electrical work.B^ Catalogue Fixe.E. S. RITCHIE & SONS, Bbookline. Mass. SYNCHRONOGRAPH.—A NEW METH- od of rapidly transmitting intelligence by the alternat-(112 current. A full description or the interesting ap-paratus of Crehore and Squier. 13 illustrations. Scien-tific American Supplements 1114- and 1115.Price 10 cents each. For sale by Munn & Co. and allnewsdealers. Send for new catalogue. WMd. Sun Proof Painrs are guaran teed to givebeauty and protection to ahouse for five

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Scientific American Volume 85 Number 10 (September 1901) . INDUCTION vUl L<»5 for experi-ments in X rays andother electrical work.B^ Catalogue Fixe.E. S. RITCHIE & SONS, Bbookline. Mass. SYNCHRONOGRAPH.—A NEW METH- od of rapidly transmitting intelligence by the alternat-(112 current. A full description or the interesting ap-paratus of Crehore and Squier. 13 illustrations. Scien-tific American Supplements 1114- and 1115.Price 10 cents each. For sale by Munn & Co. and allnewsdealers. Send for new catalogue. WMd. Sun Proof Painrs are guaran teed to givebeauty and protection to ahouse for five

The Reading Room / Alamy Stock Photo

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