AIRCRAFT COLOURS AND MARKINGS OF THE FIRST
WORLD WAR ERA
Parseval-Siegsfeld 'Drachen'
When one thinks of the WWI balloon, it is usually the Parseval-Siegsfeld
'Drachen' that comes to mind.
So far the best reference I have found on balloons is CCI 27/3 which
devotes the entire issue to them.

Drachen
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Source: CCI 27/3
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British Drachens
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