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"New Wire-Cutting Technique" from Intelligence Bulletin, August 1944

[Intelligence Bulletin Cover]  
The following report on Japanese wire-cutting methods was originally published in the Intelligence Bulletin, Vol. II, No. 12, August 1944.

[DISCLAIMER: The following text is taken from the U.S. War Department Intelligence Bulletin publication. As with all wartime intelligence information, data may be incomplete or inaccurate. No attempt has been made to update or correct the text. Any views or opinions expressed do not necessarily represent those of the website.]


Recently the Japanese in the Arakan evolved a new technique of cutting British telephone lines. The enemy cuts them in such a way that there is no interference with the ringing of the telephone bells, and yet, when a conversation is begun, the transmission of the voices is so weak that they are likely to be unintelligible.

When the Japanese discover a British telephone line, they cut a 1/4-inch section from all but two strands of a seven-strand wire. The remaining two are left intact (see fig. 3). Insulation tape then is wrapped around the wire to suggest that an ordinary splice has been made by British linesmen.

[Figure 3. Japanese Wire-cutting Technique. ]
Figure 3. Japanese Wire-cutting Technique.

Military observers report that if linesmen are able to identify their own splices, the sections cut by the enemy can be detected and repaired much more rapidly.


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