[Lowfer] [Other] History AC

KD7JYK [email protected]
Wed, 17 Mar 2004 16:32:46 -0800


What really drives me up the wall is the high frequency whine I hear from
some bulbs.  It took me the longest time to track that down.

Kurt

----- Original Message -----
From: Lewis Denton <[email protected]>

> Back in Tech school in the 50's I was told the change was brought about
> because the 50 Hz caused to much flicker in the Edison light bulbs.
> Lewis