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Good reference to the Tek 5000-series scopes (e.g. how the external display control works), and lots of their other stuff.
to electronics retrotech scope tektronix ... on 26 August 2009
Homebrew Morse keys. Most impressive.
Homebrew electronics and computing, with some nice pictures, but a bit light on technical detail.
to clock electronics nixie retrotech z80 ... on 29 July 2009
Old radios, from an ex-Plessey electronics who now does freelance electronics servicing. Lots of interesting stuff here.
to electronics ham r1155 radio repair retrotech ... on 29 July 2009
Mostly interesting to me for the old radio and Tektronix scopes bits.
to electronics maths oscilloscope radio retrotech statistics ... on 29 July 2009
Dave's Homemade Crystal and Tube Radio Main Page
Homebrew early radios.
to electronics radio retrotech ... on 17 July 2009
Restoration articles on various amateur radio kit.
Bill Wilkinson's Heath Company Page
The history of Heatkit. The stories are interesting, and lots of links to other sites.
to electronics heathkit radio retrotech ... on 17 July 2009
IEEE Spectrum: A list of innovative and inspiring integrated circuits
to electronics history retrotech ... on 02 May 2009
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tasty by Adam Sampson.