Telautograph and Delaney systems for prevention of tapping of telegraph and telephone wires. Letter from the Secretary of War, transmitting, in response to a Senate resolution of March 28, 1918, a report on the method and efficiency of the telautograph and Delaney systems of preventing tapping of telegraph and telephone wires, and submitting copy of a communication from F. R. Curtis, Colonel, Signal Corps, by authority of the Chief Signal Officer, in relation thereto.
Contributors: United States. War Dept
Series: S.doc.227
Publisher: [s.n.]
Published: 1918
Place of publication: Washington
Language: eng
Format: Electronic resource
Subjects: Espionage; Telegraph
Other titles: Systems for prevention of tapping of telegraph and telephone wires
Notes: Record is based on bibliographic data in LexisNexis U.S. Serial Set Digital Collection (last viewed Aug. 2007). Reuse except for individual research requires license from LexisNexis Academic & Library Solutions

LexisNexis U.S. Serial Set Digital Collection

Electronic resource. [Bethesda, Md.]: LexisNexis Academic & Library Solutions, 2004. (LexisNexis U.S. Serial Set Digital Collection : no. 7329 S.doc.227)