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Dymond, Joseph, 1746 - 1796 (assistant to the Astronomer Royal)


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Trials of Harrison's chronometers, 1766 - 1771

Reference Code: GBR/0180/RGO 4/311
Scope and Contents

Observations and comparisons during the trials of John Harrison's chronometers (H1, H2, H3 and H4) and Kendall I, with mean solar time, 1766-1767, and the rating of the Royal Observatory transit clock, 1771. The volume is comprised largely of tables of measurements, with some descriptions of how the results were achieved.

Dates: 1766 - 1771
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