Wireless telegraphy, 3 Government publications on this subject offered for sale.

Practical guide to long-distance wireless Hertzian telegraphy.
Published: (1902)

Wire and wireless communications in Libia.
Published: (1915)

[Wireless telegraph operators of Navy required to use Continental Morse Code].
Published: (1907)

[Wireless telegraph station for Alaska establishment at Cordova in lieu of Valdez as originally intended].
Published: (1908)

[Navy vessels with wireless telegraph, instructions to make meteorological observations and transmit them to Weather Bureau].
Published: (1905)

Wireless telegraphy /
by: Zenneck, Jonathan Adolf Wilhelm, 1871-
Published: (1915)

[Circular approving use of wireless telegraphic code for meteorological observers at sea, issued by Weather Bureau, for transmitting reports to Weather Bureau].
Published: (1906)

Simplified theory of wireless telegraphy.
Published: (1918)

Proposed standard form for Government telegram.
Published: (1925)

List of units for use of telegraph and cable companies (exclusive of wireless telegraph companies) in preparation of completion reports and record of property changes as prescribed by Interstate Commerce Commission in accordance with Section 19a of Act to Regulate Commerce.
Published: (1931)

Wireless telegraphy and wireless telephony.
Published: (1910)

Official telegraph rates apply to Government business exclusively.
Published: (1892)

Regulations governing use of telegraph and payment of telegraph tolls.
Published: (1921)

Regulations governing use of telegraph and payment of telegraph tolls.
Published: (1921)

Instructions for use of wireless-telegraph apparatus.
Published: (1903)

General provisions and specifications governing erection of telegraph line for Bureau of Ordnance.
Published: (1898)

International wireless telegraph convention concluded between Germany, U.S.A, Argentina, Austria, Hungary, Belgium, Brazil, Bulgaria, Chile, Denmark, Spain, France, Great Britain, Greece, Italy, Japan, Mexico, Monaco, Norway, Netherlands, Persia, Portugal, Roumania, Russia, Sweden, Turkey, and Uruguay.
Published: (1907)

Postal laws and regulations of U.S.A., compiled, revised, and published in accordance with Act of Congress approved Mar. 3, 1891.
Published: (1893)

Notice of special series of midnight telegraphic time signals to be sent out by U.S. Naval Observatory on May 3, 1905.
Published: (1905)

Principles of wireless telegraphy,
by: Pierce, George Washington, 1872-1956
Published: (1910)

Address for telegrams.
Published: (1921)

[Boundaries for sections of Alaska Military Cable and Telegraph System].
Published: (1909)

Use of night telegrams in cases not of urgent nature.
Published: (1911)

Service and Regulatory Announcements : Bureau of Animal Industry, Aug. 1938.
Published: (1938)

[Document not titled.].
Published: (1926)

Orders to wheel and to engine telegraphs.
Published: (1919)

Signature on telegrams.
Published: (1923)

In regard to telegraphing.
Published: (1879)

[Telegraph use and payment, clarification of Navy regulations].
Published: (1885)

[Instructions on filing Navy telegrams or copies with telegraph vouchers].
Published: (1900)

Street names in cable messages.
Published: (1927)

Telegrams.
Published: (1922)

[Telegraph and cable addresses for Navy attaches, bureaus, yards, stations, and pay offices].
Published: (1895)

[Instructions for routing telegrams when service interrupted over Bureau of Posts cable lines].
Published: (1908)

Use of telegraph for recommending transfers, increase in compensation, or changes in staffs of offices to be limited.
Published: (1925)

[Instructions for prepayment of telegrams].
Published: (1883)