Record

Reference numberRBO/11/90
Alternative reference numberRBO.11.324
LevelItem
Title'Account of Observations made of the Variation of the horizontal Needle at London in the Latter part of the year 1722 and beginning of 1723' by George Graham watchmaker
Date1723
DescriptionDetails about the compass and how the observations were made
LanguageEnglish
Extent11 sides
FormatManuscript
Access statusOpen
Fellows associated with this archive
CodeNameDates
NA8405Graham; George (1673 - 1751)1673 - 1751
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