Cumming, Thomas, fl1820 - 1821 (horologist)
Found in 12 Collections and/or Records:
Letter from C.G. Briscoe to Dr Thomas Young, 1820-06-10
Written on behalf of Sir Joseph Banks and concerning a chronometer by Thomas Cumming.
Letter from Thomas Cumming to the Board of Longitude, 1821-01-29
Concerning the rate of his chronometer.
Letter from Thomas Cumming to the Board of Longitude, 1823-02-06
Concerning the rate of his chronometer.
Note written on behalf of Sir Joseph Banks, 1820-05-23
Concerning a chronometer by Thomas Cumming.
Notes on a trial of Thomas Cumming's chronometer at the Royal Observatory, Greenwich, 1820-06-24 - 1820-11-01
Tables and notes on the rate of a chronometer by Thomas Cumming which was tested at the Royal Society and Royal Observatory, Greenwich; with three related letters from C.G. Briscoe and Cumming.
Notes on the rate of Thomas Cumming's chronometer, 1820
Tables and notes on the rate of a chronometer by Thomas Cumming which was tested at the Royal Society and Royal Observatory, Greenwich; with three related letters from C.G. Briscoe and Cumming.
Notes on the rate of Thomas Cumming's chronometer, 1822-05-22 - 1822-09-30
Tables and notes on the rate of a chronometer by Thomas Cumming which was tested at the Royal Society and Royal Observatory, Greenwich; with three related letters from C.G. Briscoe and Cumming.
Table comparing the rate of Thomas Cumming's chronometer with Molyneux's chronometer No. 403, 1821-02 - 1821-10
Tables and notes on the rate of a chronometer by Thomas Cumming which was tested at the Royal Society and Royal Observatory, Greenwich; with three related letters from C.G. Briscoe and Cumming.
Table comparing the rate of Thomas Cumming's chronometer with those by Earnshaw and others, 1822
Tables and notes on the rate of a chronometer by Thomas Cumming which was tested at the Royal Society and Royal Observatory, Greenwich; with three related letters from C.G. Briscoe and Cumming.
Table of the daily variation of Thomas Cumming's chronometer, 1819-09-20 - 1820-12-27
Tables and notes on the rate of a chronometer by Thomas Cumming which was tested at the Royal Society and Royal Observatory, Greenwich; with three related letters from C.G. Briscoe and Cumming.
Table of the rate of Thomas Cumming's chronometer, 1819-09-20 - 1820-05-23
Tables and notes on the rate of a chronometer by Thomas Cumming which was tested at the Royal Society and Royal Observatory, Greenwich; with three related letters from C.G. Briscoe and Cumming.
Tables showing the rates of box chronometer No. 19 and Molyneux's chronometer No. 403, 1821-10-19 - 1821-12-25
Tables and notes on the rate of a chronometer by Thomas Cumming which was tested at the Royal Society and Royal Observatory, Greenwich; with three related letters from C.G. Briscoe and Cumming.
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