Category:An Account of the Mode Proposed to be Followed in Determining the Relative Situation of the Royal Observatories of Greenwich and Paris. By Major-General William Roy, F. R. S. and A. S. (1787)
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http://rstl.royalsocietypublishing.org/content/77.toc: Nevil Maskelyne - Concerning the Latitude and Longitude of the Royal Observatory at Greenwich; With Remarks on a Memorial of the Late M. Cassini de Thury. By the Rev. Nevil Maskelyne, D. D. F. R. S. and Astronomer Royal Phil. Trans. R. Soc. Lond. January 1, 1787 77 151-187; doi:10.1098/rstl.1787.0018
Media in category "An Account of the Mode Proposed to be Followed in Determining the Relative Situation of the Royal Observatories of Greenwich and Paris. By Major-General William Roy, F. R. S. and A. S. (1787)"
The following 8 files are in this category, out of 8 total.
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Roy map of proposed triangulation between London and Paris, Published 1787.png 12,238 × 6,077; 28.5 MB