Reference numberPT/18/17/3
TitlePlate, 'March 1825' by Henry Foster
DateMarch 1825
DescriptionChart showing magnetic needle variation at Port Bowen in March 1825, with some annotations indicating time of day. A graphite annotation on verso of this plate erroneously reads 'Phil Trans. Plates 1836'.

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 descriptionFold-out ink chart on paper
Access statusOpen
Related materialDOI: 10.1098/rstl.1826.0044
Related records in the cataloguePT/18/17
Fellows associated with this archive
NA7230Foster; Henry (1796 - 1831); navigator1796 - 1831
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