|Title||Plate, 'February 1825' by Henry Foster|
|Description||Chart showing magnetic needle variation at Port Bowen in February 1825, with some annotations indicating time of day.|
Subject: Magnetism / Navigation
Published in Philosophical Transactions as 'Observations on the diurnal changes in the position of the horizontal needle, under a reduced directive power, at Port Bowen, 1825'.
Communicated 12 January 1826.
|Physical description||Fold-out ink chart on paper|
|Related material||DOI: 10.1098/rstl.1826.0044|
|Related records in the catalogue||PT/18/17|
Fellows associated with this archive
|NA7230||Foster; Henry (1796 - 1831); navigator||1796 - 1831|