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Vintage Technics, Tube stereo cassette player edit / delete
Building a new audio board for a Walkman clone using subminiature valves. Very cute and very silly.
to audio cassette electronics retrotech tape valve ... on 24 October
Details and videos of CD+G releases. (Doesn't cover karaoke, which I suspect is where the bulk of this was.)
The DV, DVCAM, & DVCPRO Formats -- tech details, FAQ, and links. edit / delete
A comprehensive FAQ on DV and related formats.
The Strowger Appreciation Site edit / delete
A collector who owns several telephone exchanges, among other things. He's recently restored the Glen Prosen 1950s exchange, which had apparently been sitting in a hut at the top of the glen until 2009 or so...
to aerial clock electronics retrotech telephone tv ... on 26 June
Ordinosaures (ordinateurs anciens): Serel 1001, ODP 505, T1600, Multi 8 et autres vieux ordinateurs edit / delete
A French perspective on computing history. There are some fantastic images here -- lots of early visualisation and graphics.
to graphics history retrocomputing retrotech ... on 04 June
Industrial Alchemy edit / delete
Unusual valves, semiconductors and display devices - all the things that were competing with Nixie tubes, for example.
to electronics history led retrotech semiconductor valve ... on 07 October 2017
Letters for digits in UK telephone numbers edit / delete
How were STD codes assigned to UK telephone exchanges originally? It turns out they were in alphabetical order...
to exchange history phone retrotech std uk ... on 12 September 2017
Oboe Classics - Geoffrey Burgess on the Oboe as the Custodian of Orchestral Pitch edit / delete
Why orchestras tune to the oboe, and what they've actually been tuning to over time. (They suggest that if you've got a recording at an unknown speed, assuming A=440Hz is actually not a bad idea.)
to history music oboe orchestra retrotech tuning ... on 12 September 2017
The Great 78 Project – Community Preservation, Research, Discovery of 78rpm Records edit / delete
An archive.org subproject. The papers about how they're doing the digitisation are very interesting; there's a nice study of what stylus size to use for various eras/manufacturers of 78s, for example.
to 78 archive music record retrotech vinyl ... on 12 September 2017
"The C2 Project was set up in 2006 to purchase, import and rebuild a Chinese C2 Class 0-8-0 steam locomotive, with a view to eventual operation on the Ffestiniog and Welsh Highland Railways in Wales." This is some serious engineering!
to c2 ffestiniog mechanica rail retrotech steam ... on 07 September 2017
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tasty by Adam Sampson.