Before revision: Thermal conductivity of different metals 195x195px|Jan Ingenhousz150x150px|Apparatus for measuring the relative thermal conductivities of different metals In a 1780 letter to Benjamin Franklin, Dutch-born British scientist Jan Ingenhousz relates an experiment which enabled him to rank seven different metals according to their thermal conductivities: Benjamin Thompson's experiments on heat transfer 178x178px|Benjamin Thompson During the years 1784 – 1798, the British physicist Benjamin Thompson (Count Rumford) lived in Bavaria, reorganizing the Bavarian army for the Prince-elector Charles Theodore among other official and charitable duties.
After revision: Thermal conductivity of different metals upJan IngenhouszupApparatus for measuring the relative thermal conductivities of different metals In a 1780 letter to Benjamin Franklin, Dutch-born British scientist Jan Ingenhousz relates an experiment which enabled him to rank seven different metals according to their thermal conductivities: Benjamin Thompson's experiments on heat transfer upBenjamin Thompson During the years 1784 – 1798, the British physicist Benjamin Thompson (Count Rumford) lived in Bavaria, reorganizing the Bavarian army for the Prince-elector Charles Theodore among other official and charitable duties.