Correspondence regarding enquiries, 1915 - 1925
Scope and Contents
Observations and calculations, 1915-1916, concerning the position of Polaris, Greenwich parallaxes, the position of the Moon, flexure determinations, times of sunset and errors of the Moon.
Observations and calculations, 1917-1925, concerning the position of Polaris; the declination, position, bearing, azimuth, mean error of longitude, passage, elevation and ascension of the Moon; the position, areas of sunspots, equinoxes and lighting-up times of the Sun; inter-stellar distances, declination, etc., of stars; and the position, declination and ascension of planets.
- 1915 - 1925
Conditions Governing Access
1 bundle(s) (1 bundle)
Language of Materials
Former / Other Reference
Finding aid date
- From the Series: Dyson, Frank Watson, Sir, 1868 - 1939 (Knight, astronomer) (Person)