406

ASTRONOMICAL OBSERVATORIES .

Barnet, England.

ArMey House Observatory (Private.)

Longitude from Greenwich, -—.

Latitude, -.

Proprietor: J. Campbell.

Basel , Switzerland .

Physikalisches Institut, Bernoullianum.

Longitude from Greenwich , 30 m 20 8 E. Latitude

, 47° 33' 40" 1ST.

Director : Ed. Hagenbach-Bischoff , 1874.

Tlie institute was founded in 1874, and the astronomical instrumentswere mounted in 1878.

Instruments:

(a) The Meridian circle, constructed by the Societe Genevoise, with24-inch objective, by C. A. Steinheil.

(c) The Equatorial made by the “Societe Genevoise pour la construc-tion d’instruments de physique” mounted on an isolated pillar, under amovable dome of 164 feet (5 meters) diameter. The instrument is pro-vided with a centrifugal regulator, constructed according to Prof. M.Tiiury’s directions, with position micrometer, spectroscope, and cameraobscura.

(d) Spectroscope.

(g) The astronomical clock was constructed by Theodor Knoblich,in Hamburg.

The mean time is given by means of an electric pendulum, by M.Hipp, in Neuenburg .

Both clocks connect with a number of dials in various rooms, andalso with the chronograph.

Basses-Pyr^nnees, France .

M. D , Abbadie , s Observatoire .

Longitude from Greenwich, -.

Latitude, -.

Director: -.

Bedford , England.

Observatory.

Longitude from Greenwich , ll m 13 s W.

Latitude, 52° 8' 28" N.

Authority for latitude and longitude, Connaissance des Temps, 1884,page xiii.

Director: -.