[Phlogiston]

Philco did not start selling their own brand of tubes until June 1930, which is also when they began to use their own brand in their radios.

The 511 Series would have had RCA or Cunningham tubes originally.

Arran, you can tell it's a 511 by the spacing of the knobs. Knobs spaced far apart like that indicate a 511. If the two left and right knobs were closer together, it would be a 65, 76 or 95.

I did not know that.

Globe tubes of any brand would still be worth more than the radio.

So, I need to pull the Philco tubes out of my 65 and replace with RCA.

Ron, what tubes would have been most likely been used in a 95?