Illustration depicting an experiment showing how expansion is caused by heat. Dated 18th century
Illustration depicting an experiment showing how expansion is caused by heat. Fig 1: Copper ring and solid copper ball when cold the ball can pass through the ring. When ball heated the ring supports it. Fig 2: Thermometers containing tinted spirits of wine (ethanol). Fig 3: When thermometers placed in bowl of boiling water spirits of wine expands and rises up the tube. Fig 4: Aeolipile: brass ball partly filled with water. When placed on hot coals water will boil and the steam will rush out at T. Fig 5: Mercury thermometer mounted against a scale (D) and mercury thermometer with no scale board (E) being used in an experiment on effervescence. Dated 18th century
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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No
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