On Tue, 02 Dec 2003 03:20:54 GMT, "jap"
wrote:

Hello all,

This is my first post, so please be kind.

My Grandpa was an avid Ham and Shortwave Radio enthusiast. After he passed, I found a box full of old tubes in his garage. I would like to gain some knowledge about the applications of the various tubes, and ultimately find out if they would have any value to a collecter. Below is a complete list, along with what cross reference numbers I have been able to locate, so far. Any help with THAT is also much appreciated!
=====================
Vintage Vacuum Tubes:

Count Tube# Cross Reference #'s
===== ===== ===================
8 16A (6AM5)
1 16Z (???)
1 1A7GT (DK32,X14)

3 1B3GT (DY30,U41)

1 41 (???)

1 5-30 (???)
1 5R01 (???)
1 5R4GYA (???)
3 5U4G (5Z10,GZ31,U52)
1 5U4GA/B (H52)
high vacuum rectifiers

1 6AG7 (6L10, OSW2192, OWS2601)
1 6AQ5 (6L31, BPM04, EL90, N727)
1 6B8H (???)
2 6BA6 (6F31, EF93, PM04, W727)
1 6BL7 (???)
1 6BQ6 (???)
Up to this point, the 6 series are all pretty common receiver/TV tubes
2 6F6G (KT63)
1 6CU6 (???)
1 6J5 (L63,L63B,OSW3112)
1 6K7 (EF39,OM6, PF9, W147, W61, W63)
1 6K8 (6C31)
4 6L6 (EL37)
Power amplifier, kind of rare. 6L6GC is more common (glass envelope
version). Good for about 40 watts output. Used as Power Amp stage in
small HAM transmitters vintage 1950's.
1 6N7GT/G (???)
1 6Q7 (DH63)
1 6R17 (???)
1 6SH7 (???)
9 6SN7 (???)
3 6SQ7 (OSW3105)
1 6W4GT (???)
1 6Z4 (6BX4)

1 7F7 (???)

1 9A4 (???)
1 9AX (6Q7?)

2 OC3 (G105/1D,KD24,QS1206)
1 OD3 (???)
OC and OD are almost certainly mercury vapor voltage regulator tubes,
often used for high stability vacuum tube oscillators.
=====================

Thanks so much, in advance, for your collective assistance!

Best regards,
Alan Pollard