Title
James Prescott Joule's apparatus for determining mechanical equivalent of heat
Caption
James Prescott Joule's (1818-89) apparatus for determining mechanical equivalent of heat. Vessel of water, oil or mercury encloses vanes attached to spindle. Cord wound round cylinder and drum. Weight descending against scale rotates spindle and vanes. Ra
Date
19th century
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP07109_0460001833
License type
Rights managed
Available size
29,7Mb (988,9Kb) / 11,8in x 9,8in / 3543 x 2928 (300dpi)