JOULE ON HIS FINAL EXPERIMENT.

clerk lord joule james maxwell thomson kelvin william final equivalent later paper heat experiments joule's unit named experiment including experimental resistance physical discrepancy royal provides letter discovered performed mechanical writes society successful recommends contribution participation temperature apparatus account series century signed conductor published findings exploring playing electrical proceedings thermodynamics subsequently original professors ends scale thomson's confirm drawing known fact earlier wrote 1876 sketch agreement year glad abrasion accept changing measurements formula generation proportional work update confirmation using velocity formulation demonstrated directly measured supporters called 1852 central nexus prescott groundbreaking committee determination redetermining major turning brings 19th second sheds comprised 1878 theories autograph energy present progress calorimeter unpublished theory important bifolium taking address value results cent vessel nearly reproduces entire indicating establish change effect developed absolute light nineteenth cause standard exactly joule-lenz affirming reactions place 1850 smaller hear steps pen-and-ink attached floated larger observing takes metal weight employed early expanding joule-thomson role physics chemical 1864 electrodynamic bedford terrace scarborough yorkshire august small tear base fold minor soiling blank 1841 inside voltaic pile conservation tait stewart asked reconfirm values tight resolved rowland castor resisting material bring moving vane rest better supported props water contained friction leaving lower portion drawn hydraulic supporter noting community initially reluctant undergoes leading scientists critically involved advancing world science verso driving order soon liquid scientific thermodynamic leaf current 1870s appeared doubt showed intended begins tried 1850s radiation principles 1818-1889