Sundials in
Berlin and around

Sundials in Potsdam


Sundials often could be found next to observatories or planetaria. Knowing the address of such a building includes probably knowing the place of a sundial.

Sundial with Einstein towerSundial at the Einstein tower

Sundial at the Einstein tower, Potsdam, fall 1997

The Einstein tower in Potsdam is placed within the science park "Albert Einstein" on the Telegraph hill. This isolated place may be the reason for the fact that one can ask a Potsdam citizen for the way to the Einstein tower without getting a hint. The sundial near the Einstein tower may be even lesser known.

The Einstein tower inhabits a solar observatory and was built 1920/21 by the Architect Erich Mendelsohn (1887-1953) in an expressionistic manner. The picture from fall 1997 shows the tower before its restauration. - The sundial belongs architectonical to the older observatory buildings built around 1900.

The 205x256 sized GIFs above are downscaled versions of 512x640 sized JPEGs (119 and 146kB) referenced by the GIFs.


Sundial at the Potsdam mill

Sundial at the building of the Mühle Potsdam GmbH, Potsdam, fall 1997

On the way to the sundial at the Einstein tower from the train station Potsdam Stadt one may pass the sundial in the Leipziger Str. The GIF above references to a JPEG (72kB), where the surrounding factory buildings and the street are visible. The hill vis-a-vis of the sundial leads to the Brandenburg diet building which one has to pass to get to the science park on the Telegraph hill.


Collage/Imagemap Potsdam Sanssouci

Collage around the sundial in Potsdam Sanssouci, fall 1995
600x398 GIF87, 170588 Bytes, converted by xv 3.10 from TIFF (Photoshop 2.5LE), referencing to 14 snapshots from Potsdam and Sanssouci (from upper-left to bottom-right):

historische astronomische Geräte vor der Orangerie

Historical astronomical Instruments in Potsdam Sanssouci, colored postcard around 1910

The 403x235 GIF87 (86kBytes) above shows a colored postcard from the beginning of the 20th century and is referencing to a 806x470 JPEG (191kBytes) of the same picture of the front yard of the orangery in Potsdam Sanssouci.

An armillarsphere as the object hold by dragons in the left part of the image is a historical instrument for measuring the fixstar positions, but as a side effect its possible to determine the solar time. The armillarsphere and the other instruments in front of the orangery were originated by the Belgic Jesuit father Ferdinant Verbiest (1623-1688) who let build them for the imperial observatory in Beijing by German Jesuits.

The "visit" of the astronomical instruments in Potsdam lasted from 1901 until 1918. They were moved from China to Germany in 1901 after the boxer revolts and back in 1918 after the lost of the 1st World War and all colonies.


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