The Accuracy and Use of Sextants and Watches in Rupert's Land in the 1790s

@article{Broughton2009TheAA,
  title={The Accuracy and Use of Sextants and Watches in Rupert's Land in the 1790s},
  author={Peter Broughton},
  journal={Annals of Science},
  year={2009},
  volume={66},
  pages={209 - 229}
}
Summary The purpose of this paper is to draw attention to the sextants and watches employed at the end of the eighteenth century in surveying Rupert's Land, the vast territory of the Hudson's Bay Company (HBC), and to discuss their usage and accuracy. The results provide information on the standards of manufacture at the time, on the reliability of the contemporary latitude and longitude of various fur-trading posts, and on the careers of the surveyors themselves. The sextant readings are shown… 
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References

SHOWING 1-6 OF 6 REFERENCES
Historical Records of the Survey of India
AT a time when Britain is trying to terminate her responsibility for the government of India, it is well that her services to that country should be placed on record. And there is no field of
216 3.2 Five-or Six-inch Ramsden sextant
217 3.4 Twelve-inch Cary sextants and other sextants
Accuracy of sextants used obliquely to find lunar distances
Accuracy of sextants used vertically to find altitudes of Sun
Accuracy of time found using sextants in the vertical plane