SubjectsGeneral FactsFactsIP FactoidsWeird Facts The first thermometer was filled with brandy. By IP Factly - Nov 15, 2016 0 3 Share on Facebook Tweet on Twitter Image credit: Petr Kratochvil/CC0 Image credit: Petr Kratochvil/CC0 It is unsure who invented the thermometer but it was once filled with brandy instead of mercury and apparently, was accurate enough.
