Ausstellungskatalog - Botanischer Garten und Botanisches Museum ...
Ausstellungskatalog - Botanischer Garten und Botanisches Museum ...
Ausstellungskatalog - Botanischer Garten und Botanisches Museum ...
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Pflegen <strong>und</strong> Erhalten 1910 – 2010 · Care and Conservation 1910 – 2010<br />
From Coal Heating to Climate Control Technology<br />
While the necessary water for the care and conservation of the living<br />
collection is still partly taken from the wells and rain water<br />
cisterns installed aro<strong>und</strong> 1900 in the Botanic Garden, the supply<br />
of heating and electricity has totally changed.<br />
Up to the mid-1960s the greenhouses and the Botanical <strong>Museum</strong><br />
were heated by coal burned on site, the provision of which was<br />
always difficult in times of crisis; in 1965 the central heating system<br />
was connected up to the district heating supply. Only after the<br />
Second World War did the growth of the greenhouse plants begin to<br />
be promoted by electric light, which resulted in the huge lamps installed<br />
in the Main Tropical Greenhouse, reopened in 1968. They<br />
extended the short winter days in Berlin and thus facilitated the<br />
cultivation of the tropical plants.<br />
At least as important were other changes: ventilation dampers<br />
and Venetian blinds, which were operated by hand, were superseded<br />
by increasingly intelligent electronics. The materials used in<br />
greenhouse construction have also changed: the simple industrial<br />
glass used in 1900 was followed by Plexiglas and finally, in the<br />
Main Tropical Greenhouse, which was remodelled in 2006-9, UVtransmissible<br />
safety glass with insulating properties. Energy efficiency<br />
and ingenious climate control technology are currently the<br />
most important elements in the further upgrading and renovation<br />
of the greenhouse facilities. HWL<br />
103<br />
Aus: Alfred Körner, Die Bauten des Königlichen Botanischen <strong>Garten</strong>s in<br />
Dahlem, Berlin 1910. BGBM, Bibliothek.<br />
Unten: Plan der Dampfkesselanlage von 1909. BGBM, Archiv.