Robison's Manual of radio telegraphy and telephony for the use of naval electricians (1918) (14569867657)

Identifier: robisonsmanualof00robirich (find matches)

Title: Robison's Manual of radio telegraphy and telephony for the use of naval electricians

Year: 1918 (1910s)

Authors: Robison, S. S. (Samuel Shelburne), b. 1867 United States Naval Institute Todd, David Wooster Hooper, Stanford Caldwell

Subjects: Telegraph, Wireless -- Handbooks, manuals, etc Telephone, Wireless -- Handbooks, manuals, etc Radio -- Handbooks, manuals, etc

Publisher: Annapolis, Md. : The United States Naval Institute

Contributing Library: University of California Libraries

Digitizing Sponsor: MSN

Text Appearing Before Image:

MANUAL OF RADIO TELEGRAPHY AND TELEPHONY. 179

Text Appearing After Image:

-* ■*—I—* ♦■ Hi iir Chapter VIII. INSTALLATION, ADJUSTMENTS AND MEASUREMENTS. INSTALLATION. 220. For installation ample room is available at all shore stations. On board ship, a room having about 100 square feet of floor space,with no dimension less than 6 feet, should be provided for the installa-tion and operation of a wireless telegraph set. The operating roomshould be well ventilated and lighted, as nearly sound-proof as practi-cable, and free from vibration. The exact location of the room is not ofgreat importance, provided a good lead to it for the aerial can be ob-tained. The farther this lead is from large conducting bodies the better. The room should have a well-insulated entrance for the aerial andshould be fitted with an operating table about 2^ feet wide, not less than7 feet long, and of convenient height for working the sending key whilesitting down. The table should be strongly built of dry, well-seasoned wood. The instruments should be mounted on the table so

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1918

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