replacing tubes

10m Aluminium Moxon Construction - Building a moxon antenna with aluminium tubes

80/160 Dual band vertical - This 80/160 meter antenna is constructed from six 12 foot aluminum tubes to form a slip-up mast antenna some 60 feet high by K0RWU

Shortened antennas - Drawings of shortened antenna for indoor usage, using short pvc tubes for 2 , 20 and 40 Mhz by f1rfm

The Cathode Ray Tube site - Collecting and history of CRT tubes and physics instruments

Pacific T.V. Online Tube Catalog - Vacuum tubes and sockets for radio, audio and amateur use. Over 1500 types, online schematics and technical data

Aircraft Spruce and Specialty - Offer Aluminium tubes for antenna parts

Pierce Aluminum - Distributor of aluminum and a manufacturer of finished aluminum products. Pierce Aluminum offers a diverse inventory and distributes a complete line of sheets, coils, plates, bars, structural shapes, tubes, pipes and extrusions in the most varied alloys and sizes possible

Eagle Stainless Tube & Fabrication - Certified distributor of tubing including aluminum tubes such as factional tubes, metric tubes & heavy wall tubes

Accro-Met - Distributor of extruded aluminum alloy tubes & tubing

TenCom - Tencom, located near Toledo, Ohio is dedicated to the pultrusion of fiberglass composite products. This includes solid rods, conductor rods, tubes and a variety of custom profiles.

Cleveflex - Clevaflex is a manufacturer of flexible wound tubing that can be used in a variety of applications. our unique manufacturing process allows tubes to be designed and built with a multi-ply convoluted wall contour that creates a permanently bonded tube.

Mmicronetics - Electron tubes / valves NOS and new production

ARC Vintage Radio - Here you will find tubes, manuals, radios and other related radio items for sale.

Altana Tubes - Brazilian vacuum tube, capacitors, transformers, plugs and connectors, resistances dealer

The Tube Center - Supplying over 2000 different vacuum tube types, valves, grid caps, sockets and capacitors. It is easy for Antique collectors, Ham radio operators, audio enthusiasts, broadcast enthusiasts and amateur radio hobbyists to buy, sell and trade vacuum tubes, electron tubes, audio tubes, valves, grid caps, sockets and capacitors

ABCVacuumTubes.com - ABC Vacuum Tubes is dedicated to providing Ham radio, amateur radio operators, antique radio enthusiasts, audio professionals and hobbyists the ability to choose from an inventory of over 3.5 Million Vacuum Tubes on hand under one roof.

Vacuum Tubes, Inc. - Worldwide sellers of vacuum tubes and electron tubes for audio, radio, and industry

TubesWorld - Dealer for valves and semiconductors

Ask Jan First Electron Tubes - German vacuum tubes dealer

NJ7P Tube Database Search - This database contains data on thousands of tubes

Tube Data Sheet Locator - Resource for finding data on vacuum tubes.

Vacuum Tubes - This overgrown page covers all kinds of vacuum-tube electron devices, especially receiving tubes.

Fun With Tubes - Dedicated to passing on and preserving knowledge of vacuum tube circuits and techniques

EDUCYPEDIA Tubes datasheets

Blue Glow in Electron tubes