Thursday, March 26, 2009

Old Tools

 



6 comments :

  1. Looks very, very similar to a modern day positive pressure filtration unit. But the lack of visible threads on top is puzzling. What is it exactly?

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  2. A hand-held Buddhist prayer wheel?

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  3. See IHPST at U of T for more:

    www.chass.utoronto.ca/utmusi/collections.html

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  4. Looks like a primitive calorimeter bomb

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  5. Gotta be a filtration device for catching acid precipitates on either filter paper or nitrocellulose, but I can't believe you didn't have the cool glass ones. You're not *that* old.

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