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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MA/20/6" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Note on comparisons of barometers at the Office of the Assay Master Office, Calcutta [Kolkata], India, by John Curwin</dc:title>
  <dc:description>Tables of comparative barometer readings from Captain Alexander Henning's barometer and a new standard barometer used by James Prinsep, Assay Master at the Calcutta Office. Observations made at 10.00am and 4.00pm during December 1838. Columns give information on: Captain Henning's barometer and thermometer; simple reading of Captain Henning's barometer; new standard barometer and thermometer, Mr. J. Prinsep's; new standard barometer simple reading, Mr. J. Prinsep's. 

Signed [p.1]: 'John Curwin Off. I. Assay Master'. Endorsed [p.4]: 'Comparisons of Captn. Henning's Instruments with Standards of R.S. London J. Prinsep Esq. Calcutta'.  </dc:description>
  <dc:date>5-31 December 1838</dc:date>
</rdf:Description>