ASTRONOMICAL OBSERVATORIES.
451
Astro-Physikalischcs Observatorium.
Director: -.
Obsermtoire d?Astronomic — Physique.
Longitude from Greenwich , 8 m 55.6 s ELatitude, 4S° 48' 18" N.
Director: J. Janssen, 1875.
Instruments :
A parallactic apparatus bearing two twin telescopes to be used con-jointly; 1, a photographic telescope of 81 centimeters aperture and 16or 17 meters focal length, for astronomy and spectroscopy; 2, a photo-graphic telescope of the same focus and 62 centimeters aperture.
A 5-inch photographic telescope (images 30 centimeters).
A reflector, 1 meter in diameter and 3 meters focal length.
A series of various instruments for the study of absorption of gasesand vapors, scales, etc.
Observatorio.
Longitude from Greenwich, J b 36 m 26.67 s W.
Director: F. Jimenez.
M. Barcena.
Founded in 1877.
R. Osservatorio Astronomico di Brera.
Longitude from Greenwich , 36™ 45.97 s E.
Latitude, 45° 27' 59.4" FT,
Directors: L. Lagrange, 1763.
F. Reggio, 1777.
F. Carlini, 1833.
G. Y. SCHIAPARELLIj 1862.
The observatory was founded in 1763. In the beginning it consistedof an octagonal structure to which, in 1775, two side towers were added.
In 1760 a telescope of 33 feet (10 meters) focal distance was mountedin the College of the Brera by R, BoviO and 1). GerrA.