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The Schlachte Cranes were important to the port of
A map of Bremen made around 1640 clearly shows what must be a large crane. The wooden structure was built around a central mast that allowed the crane to turn.
A new harbour crane installed in 1684 is attributed to
The Schlachte Cranes were important to the port of Bremen
Bremen (Low German also: ''Breem'' or ''Bräm''), officially the City Municipality of Bremen (german: Stadtgemeinde Bremen, ), is the capital of the German state Free Hanseatic City of Bremen (''Freie Hansestadt Bremen''), a two-city-state consis ...
as they enabled heavy loads to be moved off boats on the River Weser
The Weser () is a river of Lower Saxony in north-west Germany. It begins at Hannoversch Münden through the confluence of the Werra and Fulda. It passes through the Hanseatic city of Bremen. Its mouth is further north against the ports of Bre ...
. The Schlachte
The Schlachte is a promenade along the east bank of the River Weser in the old town of Bremen in the north of Germany. Once one of the city's harbours, it is now popular for its restaurants, beer gardens and river boats.
Etymology
''Schlachte'' i ...
became an important harbour for the city after silting prevented the use of the Balge
Balge is a municipality in the district of Nienburg, in Lower Saxony, Germany, located on the Weser river. The community belongs to the ''Samtgemeinde'' Weser-Aue which consists of six municipalities including Balge.
History
On March 1, 1974 ...
as a harbour. Today, only the foundations of a 19th-century crane remain on the Weser waterfront.
History
A map of Bremen made around 1640 clearly shows what must be a large crane. The wooden structure was built around a central mast that allowed the crane to turn.
A new harbour crane installed in 1684 is attributed to Jacob Leupold
Jacob Leupold (22 July 1674 – 12 January 1727) was a German physicist, mathematician, instrument maker, mining commissioner and engineer. He wrote the seminal book ''Theatrum Machinarum Generale'' ("The General Theory of Machines").
Early lif ...
.Theatrum Machinarum Generale ("The General Theory of Machines"), Jacob Leupold. This crane could also rotate but two large treadwheel
A treadwheel, or treadmill, is a form of engine typically powered by humans. It may resemble a water wheel in appearance, and can be worked either by a human treading paddles set into its circumference (treadmill), or by a human or animal standing ...
s enabled six men to lift a load of three tonnes. In his book on the theory of machines, Leupold illustrates two cranes at Bremen. The more ambitious model is pictured here. The boom would have been much longer as it has been shortened to fit within the illustration. The crane would have been used for moving exceptionally heavy loads of single items as the predominant method of moving loads was to use human labour.
The Schlachte
The Schlachte is a promenade along the east bank of the River Weser in the old town of Bremen in the north of Germany. Once one of the city's harbours, it is now popular for its restaurants, beer gardens and river boats.
Etymology
''Schlachte'' i ...
became an important harbour for the city after silting prevented the use of the Balge
Balge is a municipality in the district of Nienburg, in Lower Saxony, Germany, located on the Weser river. The community belongs to the ''Samtgemeinde'' Weser-Aue which consists of six municipalities including Balge.
History
On March 1, 1974 ...
as a harbour. Today the stone foundations of a large crane are preserved on the Schlachte promenade along the River Weser. A plaque explains the history of the cranes.
References
Literature
* {{Coord, 53, 04, 32.58, N, 8, 48, 10.09, E, type:landmark_region:DE-HB, display=title Buildings and structures in Bremen (city) Buildings and structures completed in 1684 Individual cranes (machines) 1684 establishments in the Holy Roman Empire