Bob Villa wrote:

On Sep 8, 7:30 pm, jeff_wisnia wrote:


How about the left hand threaded Edison base bulbs like the ones they
used to use on streetcars to discourage theft by passengers? G

Jeff


Jeff, are you that old? I remember streetcars and buses...never knew
that!

Yes, I am that old, but DAMHIKT. G

AFAIK they are still available and sometimes used on those strings of
light bulbs used on construction sites, for the same anti theft reason.

Here's one:

http://www.elightbulbs.com/Sylvania-...A21-Light-Bulb

Though I've read that Sylvania is closing its its US lamp bulb
manufacturing plants, so I don't know if those bulbs will be available
in the future. But Phillips shows some LHT bulbs too.

http://www.elightbulbs.com/Philips-3...A19-Light-Bulb

Jeff

--
Jeffry Wisnia
(W1BSV + Brass Rat '57 EE)
The speed of light is 1.8*10e12 furlongs per fortnight.