Adam Sampson's valve bookmarkshttps://bookmarks.offog.org/ats/valveAdam Sampson2018-10-24T20:46:28ZVintage Technics, Tube stereo cassette playerhttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fvintage-technics.ru%2FEng-Tube_cassette_player.htm2018-10-24T20:46:28ZBuilding a new audio board for a Walkman clone using subminiature valves. Very cute and very silly.Industrial Alchemyhttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fwww.industrialalchemy.org%2F2017-10-07T13:17:09ZUnusual valves, semiconductors and display devices - all the things that were competing with Nixie tubes, for example.Tonewheel Tubeworkshttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fwww.keyboardpartner.de%2Findex_old.shtml2016-08-27T17:54:15ZGerman Hammond technician. This has some interesting mods for the T-200 series, which are effectively transistorised versions of the L-100 -- e.g. adding a valve distortion unit based on Russian miniature valves. I also like his tonewheel level calibration software...Welcome to Imajeenyushttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fwww.imajeenyus.com%2Findex.shtml2015-06-07T10:36:45ZVarious fun electronics stuff -- particularly the construction of DIY vacuum fluorescent displays. Very neat!Valve Software ยท GitHubhttps://bookmarks.offog.org/edit?url=https%3A%2F%2Fgithub.com%2FValveSoftware2014-03-25T23:58:00ZAssorted games-related code. The OpenGL debugger would be worth investigating -- but this may also be of interest to my students who'd like to read some real game code...The Douglas Self Sitehttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fwww.douglas-self.com%2F2012-06-19T17:19:50ZAudio electronics, and a fascinating collection of obsolete engine technologies. Steam engine using boiling petrol as a working fluid, anyone?Valves And Transformers (Contents)https://bookmarks.offog.org/edit?url=http%3A%2F%2Flivinginthepast-audioweb.co.uk%2F2012-06-18T15:13:51ZA decent selection of transformers for valve circuits. Including very large power transformers...Pacific T.V. Online Tube Cataloghttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fpacifictv.ca%2F2012-05-02T11:20:35ZA valve supplier -- but notable also for their collection of schematics, which includes things like VTVMs.Electronics Projects - Vacuum-State Electronicshttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fwww.freewebs.com%2Fcameramanlink%2Felectronicsprojects.htm2012-04-10T11:24:42ZA variety of neat valve-based projects -- amplifiers, scope-based TVs, etc.Welcome to the PA3CSG website!https://bookmarks.offog.org/edit?url=http%3A%2F%2Fpa3csg.hoeplakee.nl%2Fjoomla%2F2012-02-27T11:01:27ZBig RF amplifiers with cheap Russian valves, and serious filters for them.Antique Electronic Supplyhttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fwww.tubesandmore.com%2F2011-09-13T11:29:46ZThey seem to be more interested in the audio market these days (no great surprise, given that's where the money is!).