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...


Thermograph, recording Bourdon tube thermometer driven by clockwork, metal / paint / paper / glass, Richard Freres, Paris, France, 1882-1891


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 2017, Museum of Applied Arts & Sciences, accessed 19 November 2017, <>
{{cite web |url= |title=Thermograph for recording ambient temperature |author=Museum of Applied Arts & Sciences |access-date=19 November 2017 |publisher=Museum of Applied Arts & Sciences, Australia}}
This object is currently on display in Store 4 at the Museums Discovery Centre.
Know more about this object?
Have a question about this object?