RSD99 wrote:

Those appear to be bulbs for **projectors** ... as in "Slide Projector" or
"Movie Projector."

only two clicks from there to daylight bulbs.


GE makes that bulb in many different wattages.
here is a link (as an example)
that breaks out all the wattages and if there is photo bulbs available.

http://www.servicelighting.com/catal...cat_num=010501

I am in no way endorsing this company.. simply using thier page as an
example
of bulbs available.