Thermograph for recording ambient temperature

Made c 1900

During the 1800s many new graph-producing instruments were designed, including this thermograph made by Richard Freres in France between 1882 and 1891. Its inventor, Jules Richard, developed a lightweight hollow pyramid-shaped pen, slow-drying ink that didn’t clog the pen, and special paper to take the ink. The drum holding the paper was turned by a clockwork motor, and the curved, flattened alcohol-filled Bourdon tube held outside the case expanded and contracted in response to changes in ambie...




Jules Richard patent 1880, company called Societe Richard Freres from 1882, changed to Jules Richard in 1891
c 1900


Gift of Dept of Health Sydney, 1969
26 June, 1969

Cite this Object

Thermograph for recording ambient temperature 2016, Museum of Applied Arts & Sciences, accessed 23 June 2017, <>
{{cite web |url= |title=Thermograph for recording ambient temperature |author=Museum of Applied Arts & Sciences |access-date=23 June 2017 |publisher=Museum of Applied Arts & Sciences, Australia}}
Full description  
This object is currently on display in Store 4 at the Museums Discovery Centre.

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