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HOW TO TAP A PHONE (Mar, 1957)

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#1 olo131

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Posted 10 April 2012 - 06:15 PM

HOW TO TAP A PHONE (Mar, 1957)

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HOW TO TAP A PHONE
By Tony Karp
THERE are many ways to tap a phone; most of them against the law. Our little gadget, however, is quite legal and can be used to great advantage at home or in the office.
Basically, the unit consists of a pickup coil, an amplifier and a speaker. The pickup coil is placed under, or near, any transformer-type telephone without being in physical contact with it. As the electrical currents pass through the phone, part of the energy is induced into the pickup coil.

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