Early Admiral on Kijiji Toronto

[old_coot88]

Originally Posted by electroking

Has anybody actually seen the flicker at 25 Hz with incandescent bulbs?

Absolutely.
This was in Roosevelt, AZ in the 60s and early 70s, during visits to the local bait & tackle store. The bulbs i saw were clear glass, dunno if the flicker woulda been diminished any if they had been frosted glass.
Conversion to 60 cycle didn't come until 1973. Here's a bit of skinny on the frequency standardizarion project..
https://www.srpnet.com/gallery/trd/1971.aspx