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1940 Puja Thermo-Pneumatic Clock

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1940 Puja Thermo-Pneumatic Clock

Post  markf on Sun Oct 12, 2008 8:49 pm

Yowza, this simple looking mantle clock had quite a bit of complex thought behind it. Containers of alcohol are heated and the pressurized vapor pushes liquid in a connecting pipe to another container, which then gets heavier, evantually causing more stuff to move. More dieselpunk than steam (well, acutally it is alcohol steam), but utterly fascinating. markf

http://watchismo.blogspot.com/2008/10/1940-puja-thermo-pneumatic-clock.html

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Re: 1940 Puja Thermo-Pneumatic Clock

Post  CaptZaphod on Tue Oct 14, 2008 5:48 pm

That really is neat Mark.

You always find the coolest stuff!

Thanks for sharing.

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Re: 1940 Puja Thermo-Pneumatic Clock

Post  HAC on Tue Oct 14, 2008 6:51 pm

Another intersting clock setup is the Atmos clock that uses termperature variations to power the movement...
Atmos Clocks

I've seen a few of these, and they are quite fascinating beats. Pricey, starting at around $3000 or so, and then going up as they get fancier.. Most expensive? A one of a kind in gold and platinum, by LeCoultre, priced at a cool 1 million US...

Cheers
Harold

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Re: 1940 Puja Thermo-Pneumatic Clock

Post  Lady Penelope on Tue Oct 14, 2008 7:18 pm

Both clocks are really cool! *wistful sigh*

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