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A good companion to the Electrokinetica site about Compton organs - the author of this site is trying to visit as many of the surviving organs as possible and shoot video of them.
The US Government's guide to marine navigation. I came here looking for information on how a sextant is used, and ended up reading through the whole thing - it's fascinating. The sections on LORAN and on the unique problems of navigating in the Arctic are particularly interesting...
to arctic gps loran maritime navigation retrotech sextant shipping ... on 21 November 2018
Vintage Technics, Tube stereo cassette player
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 2018
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.
A comprehensive FAQ on DV and related formats.
The Strowger Appreciation Site
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 2018
Ordinosaures (ordinateurs anciens): Serel 1001, ODP 505, T1600, Multi 8 et autres vieux ordinateurs
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 2018
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
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
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
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tasty by Adam Sampson.