Quote:
Originally Posted by bandersen
Here's what Beitman's Most-Often-Needed had to say about it.
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Well, that would put the wires in the "right" place. I would imagine if GE made the TV and GE made the tube, GE could orient a CRT run to optimize their needs.
I would also imagine that the "normal" orientation probably became the standard, de facto, sometime later than 1949, even for GE. At least for replacement tubes.
The working 810 I've been showing you has an RCA Victor 10BP4 and an ion trap magnet (its original 10FP4 is in the ETF museum's color wheel display). The RCA's keyway is "normal" at 6:30 when the anode is at 9:00. The mint 810, I'll look at more closely when I get home. I have 3 other "parts" 810s, one doesn't have a crt, one has an RCA Victor 10FP4, and the last one has a GE 10FP4. The RCA 10FP4 seemed to be rotated almost correctly but I didn't look for the anode cap in it. These parts sets are buried behind stuff down in the mancave and hard to dig out. I just shined a flashlight at them from a distance the other latenight to get this info.
Glad Beitman's clarifies. Would be fun to find one with the key oriented that way. I guess if I wanted to get
really anal, I could make one by insulating the tube wires, lengthening them, and rotating just the cap...