Reference Code: GBR/0180/RGO 4/187/7: 1-3
Scope and Contents
Letter dated 22 August 1774, regarding a problem to find instrumental errors using the known right ascensions of stars, and errors in a pendulum at altitudes. An unconnected note, dated 22 August to 28 September 1774, concerning theodolite measurements for the Schiehallion Experiment has been included with the letter.
1774-08-22 - 1774-09-28
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