| (up)date
| item
| size
|
| 2003-09-23
| Raytheon - Handbook of Amateur Tube Uses 1938. Thanks to John Atwood.
| 6,740,860 bytes
|
| 2006-09-02
| Raytheon - The Raysistor 1964.
| 287,203 bytes
|
| 2007-09-07
| Pocket Databook Radio Receiving Tubes 1937. Thanks to John Atwood.
| 7,834,734 bytes
|
| 2007-09-07
| Important Characteristics - Amateur Tubes 1939. Thanks to John Atwood.
| 136,948 bytes
|
| 2007-09-07
| Characteristic Data Chart 1940. Thanks to John Atwood.
| 1,520,060 bytes
|
| 2012-10-12
| Symbolray monoscope application notes.
| 9,255,277 bytes
|
| 2013-07-11
| Radio Tube Data and Substitution Chart 1945.
| 12,566,480 bytes
|
