
Title
A differential thermometer, which would be used for indicating temperatures of two separate liquids
Caption
Engraving depicting a differential thermometer, which would be used for indicating temperatures of two separate liquids. Dated 20th Century
Date
20th century
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP23A16_019
License type
Rights managed
Available size
60,0Mb (7,9Mb) / 13,1in x 17,8in / 3936 x 5329 (300dpi)