Unidad documental simple GPP/2/4 - ‘Astronomical Observations’

1 volume

Green volume marked ‘A’: spine marked ‘Astronomical observations’.
Right-hand pages numbered 1-244. This appears to contain fair copies of Nathaniel Pigott’s notes from other sources, including the notebook of ‘Barometrical and Thermometrical Observations’ (Acc 227.8) and the Astronomical Journal (Acc 227.10). About 7 sheets at the back have been torn out.

SUMMARY AND EXTRACTS:
Page 1, Measures of the sun’s horizontal diameter at noon 1766-1769, used for determining ‘the value of the revolutions and parts of a revolution of my micrometer adapted to a six feet achromatic refractor made by Dollond of London’.

Pages 3-4, ‘Observation of The Comet Septemr. 9th 1769’.

Pages 18-21, ‘Latitude of the Abbatial at Caen Normandy South West Part of the Town / extract from astro: journal’; taken from observations made 1770-1771.

‘Meteorological Observations made at Caen in Normandy and sent xbre 5 1770 to Doctor Bevis for the Royal society’ (pages 38-42), followed by ‘account of a Remarkable degree of Cold observed at Caen’ (pages 42-43), and ‘Experiments on some liquids’ (page 43). An ‘addition Decr. 18th 1770’ (pages 43-44) concerns reports of differences of barometric pressure at different observatories. ‘N.B. the preceding observ. from Page 38 down to Addition … are printed in Phil. Trans. 1771 – Page 274’.

Page 46, ‘Latitude of the Refuge of vrowperg [‘Groenendale’ deleted] in Louvain’; from observations made in 1763.

Pages 49-64, ‘Observations Astronomiques faites aux Pays-bas Autrichiens en 1772 et 1773’. Account (in French) of astronomical observations made in surveying the latitude and longitude of Belgian towns.

Pages 65 and 66 are missing.

Pages 67 onwards are blank.

Summary and extracts have been provided by a volunteer.

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