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The Amateur Electrician: Build a telephone

Xlg Amateur Electrician
The Amateur Electrician: Build a telephone using a “Ford Spark coil” Modern Mechanix 1930 – Link.

Posted by | Monday October 29th, 2007 9:00 AM

Categories: DIY Projects, Modern Mechanix, Retro | 2 Comments

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2 Responses to The Amateur Electrician: Build a telephone

  1. getaya on said:

    It’s not considered good practice to ground things to gas pipes, especially spark coils. (I guess this warning comes 78 years too late)

    Reply ↓

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