Kelvin harmonic analyser by R.W. Munro, London, in glass case.
Kelvin's harmonic analyser, 1878. The machine was Invented by William Thomson, Lord Kelvin, (1824-1907), a pioneering Irish physicist. The harmonic analyser was designed to analyse graphical records of daily changes in atmospheric temperature and pressure. It was brought into use by the Meteorological Office in 1878. The tracing point is taken along the curve to be analysed, and its movement causes the seven discs to rotate. Rolling spheres communicate this motion to the recording rollers.
- Object Number:
- Air Ministry, Meteorological Office
- Permanent collection
Cite this page
We encourage the use and reuse of our collection data.
Data in the title, made, maker and details fields are released under Creative Commons Zero
Descriptions and all other text content are licensed under a Creative Commons Attribution 4.0 licence
Download catalogue entry as json
Download manifest IIIF
Our records are constantly being enhanced and improved, but please note that we cannot guarantee the accuracy of any information shown on this website.