3 matching record(s)
Radcliffe Tracts 27 (10)Schumacher, H. C.
Schreiben an den Herrn Doctor W. Olbers in Bremen ... enthaltend eine Nachricht uber den Apparat, dessen er sich zur Messung der Basis bei Braack im Jahre 1820 bedient hat
Altona: Hammerich und Heineking, 1821.
[1934-41]
1821
Radcliffe Tracts 27 (9)Schumacher, H. C.
Journal of Observations made for Ascertaining the Time of the Place, in the Observatory, which was erected at Helgoland for that Purpose
n.p., 1825.
[1934-41]
1825
Radcliffe Tracts 31 (13)Schumacher, H. C.
Distances of the Sun, and the Four Planets, Venus, Mars, Jupiter and Saturn, from the Moon, Calculated according to Mr. Bessel's Method, together with their Places for every Day in the Year 1836, and Tables for finding the Latitude by the Polestar for 1836
Copenhagen: Royal Hydrographic Office, 1835.
[1934-41]
1835