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Home > Biographies & Memoire > Biography and non-fiction prose > Anthologies: general > Operator's Wireless Telegraph and Telephone Handbook; A Complete Treatise on the Construction and Operation of the Wireless Telegraph and Telephone, Including the Rules of Naval Stations, Codes, Abbreviations, Etc
Operator's Wireless Telegraph and Telephone Handbook; A Complete Treatise on the Construction and Operation of the Wireless Telegraph and Telephone, Including the Rules of Naval Stations, Codes, Abbreviations, Etc

Operator's Wireless Telegraph and Telephone Handbook; A Complete Treatise on the Construction and Operation of the Wireless Telegraph and Telephone, Including the Rules of Naval Stations, Codes, Abbreviations, Etc


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About the Book

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. 1918 Excerpt: ...wires can either be No. 14 or No. 12 bare copper wire, soldered to the middle portion of the two outer conductors and led down to where they will be even with the roof when the aerial spread is pulled in place. The ends of the two lead-in wires are now soldered to the exposed ends of a high-tension cable, the cable in turn being led over the roof, as shown, and supported by means of a high-tension insulator. The cable is led down the side of the wall to the instruments, and wherever it would come in contact with the building a high tension insulator is placed. To elevate the aerial spread, pull equally on the two ends of the bell cof d until the spread is at the greatest height and tie the ends of the cord around the mast. The Lead-in.--Where the high-tension cable leads into the instruments care.should be used in insulating, as dispersion or leakage of the current-can occur here as well as at the other points. The usual method where small power sending instruments are in use is to bore a hole through the wall and place therein a porcelain tube, leading the lead-in wire through this tube. "While this method would answer for the small power sending instruments, but if a greater was used, the current would leak through to the wall and offer a partial ground. A very efficient method is to bore a hole through a pane of glass and lead the wire through, but this plan is not possible in every case, as very few experimenters have the proper means for boring the hole, which is a difficult operation. A method that the writer has adopted is shown in Figure 52. In this case a porcelain tube with an external diameter of 2" and an internal diameter of 1" is needed. A hole is drilled through the wall of sufficient size to allow the porcelain tube to slip th...


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Product Details
  • ISBN-13: 9781231747070
  • Publisher: Rarebooksclub.com
  • Publisher Imprint: Rarebooksclub.com
  • Height: 246 mm
  • No of Pages: 38
  • Spine Width: 2 mm
  • Width: 189 mm
  • ISBN-10: 1231747072
  • Publisher Date: 01 May 2012
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Weight: 86 gr


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Operator's Wireless Telegraph and Telephone Handbook; A Complete Treatise on the Construction and Operation of the Wireless Telegraph and Telephone, Including the Rules of Naval Stations, Codes, Abbreviations, Etc
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Operator's Wireless Telegraph and Telephone Handbook; A Complete Treatise on the Construction and Operation of the Wireless Telegraph and Telephone, Including the Rules of Naval Stations, Codes, Abbreviations, Etc
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