A Breguet's thermometer
Title

A Breguet's thermometer

Caption

Engraving depicting a Breguet's thermometer. A Breguet's thermometer, also called a spiral thermometer, is a type of thermometer which uses the expansion of metal under heat to produce a measurement more sensitive, and with a higher range, than both mercury and air thermometers. Dated 19th Century

Date

19th century

Credit line

Photo12/Ann Ronan Picture Library

Reference

ARP23A16_021

License type

Rights managed

Available size

60,0Mb (7,1Mb) / 15,0in x 15,5in / 4511 x 4649 (300dpi)

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