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Old 20th Jan 2019, 6:24 pm   #27
avocollector
Heptode
 
Join Date: Jul 2010
Location: Wellington, New Zealand.
Posts: 653
Default Re: Old books/magazines and the gems within

Quote:
Originally Posted by rontech View Post
I am sure that would work. A lot of the fun and sense of achievement I got in my teens was actually winding the coils, making a core out of lengths of iron wire, making a brass spring / steel interrrupter arm etc. The finished winding was put in a vat of molten candle wax to increase the interlayer insulation. I doubt if soft iron wire, 36 s.w.g. enamelled copper wire is readily available nowadays. Oh and also made a polished oak base .
it did but for some strange reason the diodes in the battery charger literally melted - I mounted the coil on a nice pine base if that is any good.
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