<P> The name calorimeter was made up by Antoine Lavoisier . In 1780 , he used a guinea pig in his experiments with this device to measure heat production . The heat from the guinea pig 's respiration melted snow surrounding the calorimeter , showing that respiratory gas exchange is combustion , similar to a candle burning . </P>
<P> The name calorimeter was made up by Antoine Lavoisier . In 1780 , he used a guinea pig in his experiments with this device to measure heat production . The heat from the guinea pig 's respiration melted snow surrounding the calorimeter , showing that respiratory gas exchange is combustion , similar to a candle burning . </P>
when was the system of measuring calories invented
when was the system of measuring calories invented
1780
1780