This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904 Excerpt: ...retransmitted from Providence to apparatus. Boston on No. 2 circuit; again automatically retransmitted from Boston to Providence on No. 3 circuit; again automatically retransmitted from Providence to Boston on No. 4 circuit; again automatically retransmitted from Boston to Providence on No. 5 circuit, and finally ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904 Excerpt: ...retransmitted from Providence to apparatus. Boston on No. 2 circuit; again automatically retransmitted from Boston to Providence on No. 3 circuit; again automatically retransmitted from Providence to Boston on No. 4 circuit; again automatically retransmitted from Boston to Providence on No. 5 circuit, and finally automatically retransmitted from Providence to Boston on No. 6 circuit. Or, in other words, the message sent from Boston on the first circuit went to Providence, came back to Boston, again went to Providence and came back to Boston, when it again went to Providence and came back to Boston, at which final station it was clearly read by an operator without the loss of a single character, or the slightest impairing of its original clearness, and without the aid of any person except the transmitting operator on the No. i circuit in Boston, and the receiving operator on the No. 6 circuit in Boston. All this was done over one and the same wire, so that the message travelled in its back-and-forth journeys between the two cities about three hundred miles, or six times the distance between the two cities." It is an interesting circumstance, that, in the practical operation of the Delany system in England, it has been found that the operation is better in wet or bSu, foggy weather than it is in clear, dry weather. This foS is probably due to the fact that such weather permits weat a ready discharge of the line, which is thus rid of its previous charge. CHAPTER XIX SUBMARINE TELEGRAPHY "The submarine telegraphs of the world number 1,750. Their aggregate length is nearly 200,000 miles; their total cost is estimated at $275,000,000, and the number of messages annually transmitted over them at more than 6,000,000. All the grand divisions of the earth a...
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Add this copy of Electricity in Every-Day Life to cart. $26.58, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2022 by Legare Street Press.
Add this copy of Electricity in Every-Day Life to cart. $36.03, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2022 by Legare Street Press.
Add this copy of Electricity in Every-Day Life to cart. $150.00, good condition, Sold by Sequitur Books rated 5.0 out of 5 stars, ships from Boonsboro, MD, UNITED STATES, published 1905 by P.F. Collier & Son.
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Seller's Description:
Good. 3 volume set. Bound in publisher's blue cloth with hand raised surrounded by lightning on front. Vol. 1 shaken. Hinges cracked. Color frontispieces of Edison, etc, numerous photographs and illustrations.
