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 contains vanes attached to spindle. Cord attached to drums wound round spindle. Weight descending against scale rotates vanes. Raisin
Date
19th century
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP07109_0460001834
License type
Rights managed
Available size
22,2Mb (577,3Kb) / 11,8in x 7,3in / 3543 x 2190 (300dpi)