 |
| Volume 5, Number 1 - February, 2003 |
| |
- The VAC-M Lightning Arrester
Some interesting glass lightning arresters for early radio and
telephone that look like tubes.
|
Reviewing the Resistance Weld
An overview of an important aspect of tube production.
|
- Undocumented Aliens - The Sequel
Information on odd British tubes sometimes seen in the U.S.
|
- Autopsy of a Klystron
A reprint of an Eimac customer return report reveals how such
reports were analyzed.
|
- The RCA "Dark" Heater
An exploration of an RCA innovation in heater design, how it
was marketed, and some tubes it was used in.
|
| |
| On The Cover: Three VAC-M lightning
protectors. |
|
 |
| Volume 5, Number 2 - April, 2003 |
| |
- Moorhead and His Tubes
An exhaustive article on Moorhead tubes and the Moorhead Company
with pictures, technical data, and production estimates. This
article alone is worth the whole years subscription!
|
- British Valve Nomenclature: Brimar
A brief history of Brimar with a table of valve nomencature explanations.
|
- US Tube Makers Today
The list of qualified military suppliers.
|
| |
| On The Cover: A Moorhead vertical
anode British type R |
|
 |
| Volume 5, Number 3 - June,
2003 |
| |
- More on the "Dark" Heater
A perspective on RCA's "dark" heater from Bernie Magers.
This is in reponse to the February 2003 article.
|
The Watson Collection
Information and pictures of an important collection of early
tubes now housed at the Smithsonian.
|
- "Rocket" and Other Early
Planar Tubes
Decriptions and history of early commercial types.
|
- Current Glass Receiving Tube Manufacturers
A listing of manufacturers worldwide.
|
- RCA Salesman's Report
A 1956 report showing how salesmen operated in the field as well
as some industry gossip.
|
| |
| On The Cover: Five
Western Electric 320A Triodes Under Test |
|
 |
| Volume 5, Number 4 - August, 2003 |
| |
- The Silica Valve
A history and listing with characteristics of these unique British
transmitting tubes .
|
A Last Word on the RCA "Dark""
Heater
Continued discussion of this RCA heater. THis follows articles
from February 2003 and June 2003.
|
- Vacuum Tubes the Hard Way
A reprint of a 1965 QST article about Sam Diaz Pumara, who made
a wide range of his own tubes at home.
|
- Some Magic Eyes
A discussion of the common 6E5, a rare developmental 6E5 and
the odd 6E5M and 6EM5 Japanese tuning eyes.
|
- A Bit of Metal Tube History
The development of metal tubes extracted from the RCA-Dowd archive.
|
| |
| On The Cover: The NT57T Silica
Valve |
|
 |
| Volume 5, Number 5 - October,
2003 |
- TCA Board Meeting and Member Meeting
Recaps
Recaps of the August meetings at the Rochester AWA Conference.
|
Auction Report - Estes September
20, 2003
Detailed report of this auction, including the LRS Relay tubes
|
- The Western Electric 221A
A detailed description with data of this rare WE type
|
- RCA's TT-5A Transmitter and 8D21
Tube
A historical and technical discussion of this transmitter and
the unusual tube it used.
|
- Fifty Years of Tube Repairing in
Buenos Aires
A history of the various companies set up by Jose Schiaffo to
repair large tubes.
|
- British Valve Nomenclature: Cossor
A brief history of Cossor with a table of valve nomencature explanations.
|
- New "DOD" Discoveries
An expansion of information on DOD types first given in February
2002
|
| On The Cover: Two
different LRS Relay tubes |
|
 |
| Volume 5, Number 6 - December, 2003 |
| |
- Computing Tubes - The First Digital
Electronic Devices
A comprehensive review of tubes designed specifically for computers.
|
Japanese Receiving Tubes - The Code
An expanation of the numbering nomenclature of many receiving
tubes made in Japan.
|
- Early Radar Developments in Australia
Early radar tube development in Australia with pictures of several
early magnetrons and klystrons.
|
- The Latest on Svetlana
Real Svetlana tubes and pretenders to teh thrown.
|
- More on Silica Valves
Readers submit expanded information in response to the August
2003 article.
|
- Western Electric Resistance Lamps
A comprehensive listing of these collectible devices.
|
| On The Cover: A Marconi-OsramT.30
transmitting triode(L) next to an unidentified triode of WWI
vintage |
|
 |
| Special Publication No. 5 - Summer 2003 |
| J. B. Johnson and the 224A CRT |
|
| Dr. Johnson was a researcher at Western Electric
and Bell Labs, responsible to a large to degree for development
of the "modern" cathode-ray tube and for electronic
oscillography in general. This 24 page booklet presents early
photos of the 224A CRT from Johnson's personal holdings, and
reproduces an elaborate Western Electric booklet on using the
tube. |
| |
| |
|
 |
| Special Publication No. 6 - December 2003 |
| McCandless and the Audion, with Audio CD |
|
| Henry McCandless was the lamp manufacturer
in New York who produced the first audion tubes for Lee de Forest.
This is a history of McCandless' products written by Gerald Tyne,
with photos of tubes and equipment and related contemporary documents.
The audio CD presents a digitally remastered interview of McCandless
conducted by Tyne restored from the original magnetic paper tape. |
| |
| |
|