443
Constructed from 1787 to 1794, upon the great tower of the castle ofPleissenburg. A new observatory, situated at the extreme end of oneof the suburbs, took the place of the old one in 18G1.
II. Private Sternwarte des Herrn Rudolph JEngelmann.
Longitude from Greenwich, 49 m 3S 8 E.
Latitude, 51° 20' 7" K
Authority for longitude and latitude: A. Lancaster, Liste Genbraledes Observatoires et Astronomes, 1887.
Director: Hr. Rudolf Engelmann .
Sternwarte der Teclmischen Hochschule.
Longitude from Greenwich,-.
Director: —-.
The observatory is used for geodetic purposes.
Rijks Observatorium.
Longitude from Greenwich, 17 m 56.35 8 E.
Latitude, 52° 9' 20.2" H.
Directors : J. Golius, 1632.
S. G. Kechel, 1667.
C. Melder, 1668.
B. de Yolder, 1682.
L. Zumbacii DE Koesfeld, 1705.
W. J. S’Grayesande, 1717.
J. Lulofs, 1742.
1). Van de Wijnpresse, 1768.
P. Nieuwland, 1794.
J. A. Fas, 1797.
J. F. Van Beek-Calkoen, 1799.
C. E. Kama, 1812.
F. Kaiser, 1837.
II. G. Van de Sande Bakiiuijzen, 1872.
Founded in 1632. The most ancient of existing observatories inEurope . Originally built as a great tower for the town clock; enlargedin 1689; repaired in 1817. In 1858 a new observatory was commenced,and completed in 1860.