by: ockham

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Added 5 years ago

For a few decades, acetylene was the most promising energy source for rural and off-grid situations.  I've made some examples of acetylene's time in … more »


Format: Poser (.pp2), Poser (.pz3), Poser Figure (.cr2 .crz)
Usage Rights: Commercial renders OK, contents not for redistribution
Categories: Architecture, Furniture, Historical, Lights, Military
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Thalek (3 years ago)Inappropriate?
The older electronic items are also fascinating; we were still using a tube checker in the Test Equipment Maintenance Lab in the 90s and possibly later. (My health forced me to retire in 2001, so I'm not sure when it was retired, only me.)

As for the skydome, now that I know it's not available, I'll find a substitute. Thanks for the info!
Ockham (3 years ago)Inappropriate?
I'm glad you're reading the longer histories in the blog. Those machines and their makers were interesting, and most of the makers have been forgotten. I've tried to concentrate on the 'lesser lights' of science and tech.

The skydome was bought at Rendo way back in 2003. It was made by Jonathan Lynn. (handle lynnJonathan) Checking Rendo now, he seems to be gone, and more …
Thalek (3 years ago)Inappropriate?
I forgot to ask previously: where did you get the sky dome used in the lighthouse scene?

I've been reading some of your articles at Polistra's Mill tonight, and find them fascinating. The ingenuity of the "patient machines" is incredible, as was the precision required at the time to make them work. Astounding.
thelufias (5 years ago)Inappropriate?
Thank you very much
Ockham (5 years ago)Inappropriate?
@Thalek: Yup, that's why I used the word. I had also thought it was a simple reference to acetylene spotlights, because calcium carbide is generally called lime. I also found the distinction via wikipedia, but decided it's close enough for wordplay.
Thalek (5 years ago)Inappropriate?
If you don't already know it, it might amuse you to learn that "limelight" was a similar technology, using an oxyhydrogen flame to heat a column of quicklime (calcium oxide) to brilliant incandescence.

(I confess that I had confused limelight with the old miners' lamps powered by acetylene generated by pouring water on calcium carbonate. Wikipedia set me straight.)



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