A thermoscope, an invention credited by some to Galileo (1564-1642). This type of early thermometer has a narrow tube filled with water which moves up a scale when air in the bulb is heated and so expands, pushing down the liquid. (Musée des Arts et Métiers, Paris)
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APA Style
Chatsam. (2023, August 31). Thermoscope. World History Encyclopedia. https://www.worldhistory.org/image/17865/thermoscope/
Chicago Style
Chatsam. "Thermoscope." World History Encyclopedia, August 31, 2023. https://www.worldhistory.org/image/17865/thermoscope/.
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Chatsam. "Thermoscope." World History Encyclopedia, 31 Aug 2023, https://www.worldhistory.org/image/17865/thermoscope/.
