NOS and used tubes, rare valves, virtual museum.

Books, transformers, capacitors, and resistors. Has an online catalog and shopping cart.

Manufacturer of x-ray tubes for use in medical, dental and industrial imaging and inspection applications.

Electron tube and vacuum tube manufacturer. High power CW and pulse magnetrons, klystrons and power grid tubes. Product listings and data sheets, and outline drawings.

Listing of surplus tubes, searchable database.

World-wide distributor of electron tubes, sockets and magnetrons. Replacement tubes for Perkin Elmer mass spectrometer.

Electron and vacuum tubes. Industrial, military, broadcast and entertainment applications supplied from inventory. Hard to find and obsolete tubes available.

New old stock, new bulk and used tested tubes. Canadian site.

Type index, high powered tubes and data sheets in PDF format.

Supplier of new and used tubes, specialising in hard to find radio and audio tubes for vintage electronic equipment. Online catalogue, price list and purchasing.

Mostly industrial product line.

Rebuilder of vacuum power grid tubes for industrial, radio and television applications.

Ham radio and audio tubes. Online catalog with secure ordering.

Offering rebuilt vacuum, oscillator, induction and transmitter tubes.

Manufacturer of industrial and medical X-ray tubes, including tubes for medical, dental, and industrial applications.

Vacuum tubes for the audio amp market.

"Integrated X-ray generators". Also prototype x-ray sources. Danish company.

NOS and used vacuum tubes; also, service manuals and Sams Photofacts, parts, magazines, books, radios and test equipment.

Antique Glass and Vacuum stuff, for electronics and high voltage.

A supplier of vacuum tubes for ham, audio and antique radio purposes.

Manufacturer and wholesale distributor of vacuum tubes and electronic parts. Sovtek tubes.

Vacuum tubes for radio, audio and amateur use. Over 1,000 types with regular 5 lot sleeve specials. Canadian site.

Manufacturer and distributor of electron tubes for broadcast, industrial, marine and avionics applications worldwide.

Exporter of electron tubes, TWT, valves, thyratrons, magnetrons, klystrons, transmitting tubes, heating tubes, vacuum interrupters and X-ray tubes made in China

Manufactures high quality custom-made x-ray tubes for a wide range of applications such as thickness gauging, food inspection, bone densitometry, dental, medical, and baggage inspection.

Provides electron tubes for space, telecom, radio and TV broadcast, military , X-ray imaging, science and industry applications. Includes products specifications and application notes. Formerly Thomson Tubes Electroniques.

In 1879, the American inventor Thomas Edison publicly exhibited his incandescent electric light bulb for the first time.

Providing HAM and amateur radio operators, antique radio enthusiasts, audio professionals and hobbyists the ability to choose from an inventory over 2000 different tube types.

Russian PA tubes. Paypal.

From NJ7P Great site for tube searches.

Vacuum tubes and sockets for sale.

Vintage Vacuum Tubes and Test Equipment. Audio tubes, TV tubes, Radio tubes and Electron tubes. 12ax7, 12au7, 12at7, Generators, Analyzers, and Counters.

Sell and buy electron vacuum tubes in South America.

A long list mostly audio stuff.

All about vacuum tubes. Tube audio amp kits.

Worldwide sellers of vacuum tubes and electron tubes for audio, radio, and industry

Service for all makes of vintage tube amplifiers and radios. NOS and new and used vacuum tubes.

Tube rectifiers. Site in English and Chinese.