Electronics

Where? Name? What? About?
Manufacturer New name for Hewlett-Packard instruments
Info

Lots of info about almost all Bang & Olufsen products

Collector

All about Dynaco gear

Manufacturer High quality measuring equipment
Distributor Swedish distributor for Hameg and many others
Manufacturer Top of the line equipment for Radio communication
Manufacturer Top of the line oscilloscopes and video test equipment
Tubes
Where? Name? What? About?
Ask Jan First Dealer A lot of American and European tubes for sale.
Cathode Corner   Collector A digital clock with a CRT as display, very nice.
Crowthorne Dealer A lot of common and not so common tubes.
Dieter's Tube-Testers Collector A nice summary of a lot of nixie tubes
Duncan's Amplifier Info Lots of info about tubes with schematics etc.
Funkamt Collector Site about Radio, tubes etc.
Halfin Dealer With over 1 000 000 tubes in stock, American, European and Russian types of all kinds, NOS, NIB and old German types. Start here if you are looking for tubes.
Homepage of H.T.Schmidt Collector Here you can find interesting info about German Post-röhren, Wehrmacht-röhren and a lot more. 
JMH's tubesite Collector Interesting collection of various tubes.
Jogis Röhrenbude Collector Lots of info about tubes and old radios. Very informative.
Kilokat's Antique Light Bulb Site Collector Everything about antique light bulbs and a lot about antique tubes.
Michelle Troutman Dealer Books, manuals, new and old tubes etc.
Mike's Electric Stuff Collector Covers a wide range of vacuum tubes, light bulbs, Geissler tubes and miscellaneous high voltage stuff. Highly recommended.
Micronetics, Switzerland Dealer Impressing stock of tubes for a wide variety of electronic equipment
Netherlands Institute for Sound and Vision Museum The former Dutch broadcasting museum. Don't go to The Netherlands without visiting this place.
Philip Rheinschild's site about magic eyes Collector A very descriptive site of how to deal with magic eyes.
Museum Virtual museum with lots of info about old radios.
Sonoran Publishing Books Publisher of books etc about tubes and old radios.
Sphere's Dealer Lots of CRTs for sale.
Röhrenmuseum Museum German site with lots of pictures and interesting info. In German language.
Tektronix Resource Site Forum Interesting information about old Tektronix instruments.
Telemuseum, Stockholm, Sweden Museum Was the worlds largest collection of old telephone equipment as well as an impressing amount of radio stuff.
Telemuseum is CLOSED - What a shame
Tube Collectors Association  Collectors Homepage of the Tube Collector's Association.
Tubepedia Collector A very interesting collection of cathode ray tubes of many kinds.
Udo Radke's collection Collector One of the worlds largest private collection of old radio tubes. Very impressing.
Wumpus home page Collector Old radios and other things.
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