Those aluminum center discs were not those sold to the public with artist' content, rather they were the recordable type found in radio stations and sometimes in home recorders.
Dennis On Thu, Jan 21, 2010 at 7:10 AM, CL in NC <[email protected]> wrote: > I have several test circuits I salvaged before they hit the dumpster. These > were built in the late 50's, early 60's. They were in homebuilt Bud type > miniboxes, and the constructor, Fritz, W4NTO said the aluminum came from old > records. They melted the plastic off the disk and a shiny aluminum platter > of the perfect minibox thickness remained. The aluminum was high qualtiy and > even to this day, the inside of the chassis are as bright as chrome, not one > hint of corrosion. The outsides were painted. > > One of the test units checked the operation of the octal socket crystal > ovens, another is a NPN/PNP transistor checker, the third was a phase > rotation checker using 3 neon bulbs. That one got changed into a mobile SWR > meter with antenna selector, the other 2 still function perfectly. > > So that old cracked and scatched Caruso 78 might have a gold mine of aluminum > under its useless surface. > > Charlie, W4MEC in NC > > > > > > ______________________________________________________________ > Our Main Website: http://www.amfone.net > AMRadio mailing list > Searchable Archives: http://www.mail-archive.com/[email protected]/ > List Rules (must read!): http://w5ami.net/amradiofaq.html > List Home: http://mailman.qth.net/mailman/listinfo/amradio > Post: [email protected] > To unsubscribe, send an email to [email protected] with > the word unsubscribe in the message body. > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Our Main Website: http://www.amfone.net AMRadio mailing list Searchable Archives: http://www.mail-archive.com/[email protected]/ List Rules (must read!): http://w5ami.net/amradiofaq.html List Home: http://mailman.qth.net/mailman/listinfo/amradio Post: [email protected] To unsubscribe, send an email to [email protected] with the word unsubscribe in the message body. This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
