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What could this bulb have been used for?

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AnythingObsc…'s loves569 of 77011926 Christmas Tree Stand,  Genesee Electric Company,  Cast Iron  Buffalo  NY.Artbeck Baster in Box 1946
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    Posted 3 months ago

    afterthought
    (3 items)

    A light bulb shaped glass filled with water or some other clear liquid. It is filled to about 4/5ths full. I know if you hold a lighter at the bottom for 15 seconds it will start to bubble or boil. The glass is about as thick as a water glass. No marking of any kind on it.
    5 inches high x 3 1/2 inches wide.

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    Comments

    1. TallCakes TallCakes, 3 months ago
      looks like maybe a fire extinguisher grenade
      https://www.worthpoint.com/worthopedia/vintage-red-comet-safety-spray-fire-2029113374
    2. keramikos, 3 months ago
      TallCakes, Wow. Just wow. :-)
    3. AnythingObscure AnythingObscure, 3 months ago
      TallCakes could be correct, it is the right basic size for one of those fire grenades but those things were always clearly labeled as such, because if so that *AIN'T* just water in there...? <eeek>
    4. AnythingObscure AnythingObscure, 3 months ago
      Oh WOW indeed -- TallCakes *did* nail it on this one?!!

      Do be careful, the CarbonTetrachloride (sp?) liquid inside that bulb is reportedly pretty nasty stuff... <nono>
    5. keramikos, 3 months ago
      afterthought, Yes indeed, do be careful:

      *snip*

      Carbon tetrachloride was suitable for liquid and electrical fires and the extinguisers were fitted to motor vehicles. Carbon-tetrachloride extinguishers were withdrawn in the 1950s because of the chemical's toxicity–exposure to high concentrations damages the nervous system and internal organs. Additionally, when used on a fire, the heat can convert CTC to Phosgene gas [7], formerly used as a chemical weapon.

      *snip*

      https://www.collectorsweekly.com/stories/3203-antique-fire-extinguisher

      https://museumcrush.org/the-beauty-and-danger-in-victorian-glass-fire-grenades/

      Perhaps you should contact your local fire department for advice.
    6. afterthought, 3 months ago
      Thanks you TallCakes. I would never thought of that. Taking it down to city fire dept. for their museum.
    7. keramikos, 3 months ago
      *snip*

      When I find a fire suppression grenade in an old home and it doesn't clearly state that it contains salt water, I'll assume it contains carbon tetrachloride. I advise folks to have it disposed of professionally. Your local municipal environmental officer or fire marshal will probably have specific instructions on how it should be handled and where it can be disposed.

      *snip*

      https://www.oldhouseweb.com/how-to-advice/common-fire-safety-device-in-old-homes-a-health-hazard.shtml

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