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Letter from Israel Lyons, 1774-08-22 - 1774-09-28

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.


  • Creation: 1774-08-22 - 1774-09-28


Conditions Governing Access

From the Management Group:

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3 folio(s) (3 ff.) : Paper

Language of Materials



Lyons, Israel Jnr.

Finding aid date

2013-01-31 15:04:05+00:00

Repository Details

Part of the Cambridge University Library Repository

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