dk nkf - Nordisk Konservatorforbund Danmark
dk nkf - Nordisk Konservatorforbund Danmark
dk nkf - Nordisk Konservatorforbund Danmark
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Fig 5: South façade of the engine house. An elevated<br />
monorail connects the coal washery and the boiler house, early<br />
20th century (Bergbau-Archiv, Bochum)<br />
Fig 6: Interior space of the engine house with air compressors<br />
and winding machines, early 20th century (Siemens Archives,<br />
Munic)<br />
Fig 7: Marble Switchboard, early 20th century (Siemens<br />
Archives, Munic)<br />
196<br />
sustainable approach to reconstruction demands<br />
that it must be comprehensively replaced. This has<br />
not made it easier for us to answer current questions<br />
regarding the best methods of conservation.<br />
Other questions facing us include: “How do we<br />
make museum use compatible with monument<br />
preservation?”; and “What are our priorities? To<br />
conserve the material and the colouring handed<br />
down to us or to highlight the original idea behind<br />
the building as an impressive showplace for the<br />
outside world? How much reconstruction does there<br />
have to be, and how much is permissible?”<br />
From decline to a living<br />
museum – a short survey:<br />
1935: Plans are drawn up for a new central shaft<br />
in the adjacent Zollern and Germania coalfields.<br />
Hence all further investment in the old technical<br />
equipment is stopped. Due to the lack of building<br />
materials work on the erection of the central shaft<br />
ceases between 1939 and the 1950s, with the<br />
exception of two more powerful compressors and<br />
electrical equipment which are installed in the<br />
Zollern engine house in 1940.<br />
1955: Coal ceases to be brought to the surface at<br />
the Zollern colliery and this operation is transferred<br />
to the new Germania central pit a few kilometres<br />
away. Shaft No. II is henceforth only used to<br />
transport men and material underground. The<br />
Jugendstil canopy above the entrance of the engine<br />
house is dismantled and much of the damage to the<br />
brickwork is stabilised in a basic manner.<br />
1966: Zollern colliery finally closes and the buildings<br />
on the site are let out to different companies.<br />
1969: Plans to demolish the engine house are met<br />
with a grass-roots campaign of heavy protest. At the<br />
end of the year the engine house is recognised as<br />
an icon of modern industrial design and put under<br />
a preservation order. This signals the start of a<br />
new movement to preserve industrial buildings in<br />
Western Germany.<br />
The photographers Bernd and Hilla Becher, who<br />
were very little known at the time, start their unique<br />
documentation work of industrial buildings [9] by