LOCATING INTERFERENCE
The Post office, responsible for all telecommunications, is concerned to locate sources of radio interference, for which this portable device comes in handy
Hi-Res image available upon request
Picture No
10091695
Media ID
48893252
Credit
Mary Evans Picture Library
Source
Cigarette card, Lambert & Butler series, Interesting sidelights on the work of the General Post Office'
Date
1939
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Concerned Handy Interference Locate Locating Portable Responsible Sources Telecommunications
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