I just found several 829B tubes - believe it or not in my garage - I
....[snip]....

So can someone tell me what they would have been used for?
Something tells me they're a VHF power tube.
....[snip]....

A nice article starting on page 40 of the August, 1949, issue of QST
describs a two-tube (6AG7 oscillator [26MHz xtal]/doubler and 829
amplifier) for 75 watts output in the 6-meter band.

--Myron.
--
Five boxes preserve our freedoms: soap, ballot, witness, jury, and cartridge
PhD EE (retired). "Barbershop" tenor. CDL(PTXS). W0PBV. (785) 539-4448
NRA Life Member and Certified Instructor (Home Firearm Safety, Rifle, Pistol)