On 11/9/2011 7:55 AM, Randy333 wrote:
On Wed, 9 Nov 2011 06:59:01 -0500, "Jim Wilkins"
wrote:

....

They should commission Holophane to form prismatic cylinders out of
borosilicate glass.

http://en.wikipedia.org/wiki/Deck_prism


So it's a new twist on a very old idea, still ****ing genius. Just
can't put it any other way. Who would have thought a plastic bottle
would transmit and disperse light that well.
....

Indeed...got me thinking for the old tin machine shed w/ no windows nor
wiring. Have a bunch of old clear glass (as well as green and various
others) telephone insulators. May just try one of them for the
purpose...similar to

http://www.natsulators.com/insalbum/photos/107arm010clr.jpg

Cheap since have dozens of 'em from when we used to have to maintain own
lines for connection to Bell in town and strong enough to withstand SW
KS weather if will refract well enough to be usable light pattern.

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