Maximum and minimum thermometer - Used here in the garden to keep track of the weather over a period of time Stock Photo - Alamy
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Louis period barometer - thermometer XVI (1774 - 1793). - The Paris Saint-Ouen flea market
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A Louis XVI period (1774 - 1793) barometer - thermometer. 18th century.-en
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This means increased temperature before the period! - WE GO WILD
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