Reference numberPT/52/3/2
TitlePlate, diagram of local attraction over China and Central Asia by John Henry Pratt
Date23 September 1854
DescriptionUnpublished diagram of local attraction overlaid on a hand-drawn map of China and Central Asia.

Subject: Geodesy

Published in Philosophical Transactions as 'On the effect of local attraction upon the plumb-line at stations on the English Arc of the Meridian, between Dunnose and Burleigh Moor; and a method computing its amount'.

Written by Pratt at Deep River, Cape of Good Hope [Diep River, Western Cape, South Africa]. Communicated by Prof [James] Challis. Received by the Royal Society on 5 June 1855. Read 21 June 181
Physical descriptionInk map on paper
Access statusOpen
Related materialDOI: 10.1098/rspl.1854.0101
DOI: 10.1098/rstl.1856.0006
Related records in the catalogueRR/3/219
Fellows associated with this archive
NA8010Pratt; John Henry (1809 - 1871)1809 - 1871
NA7554Challis; James (1803 - 1882); astronomer1803 - 1882
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