David writes:

Han wrote:


Exactly HOW do you "collect" Ducts??

Entirely unlike stamps, because they won't fit in any album.

--
Dr. Juergen Hannappel http://lisa2.physik.uni-bonn.de/~hannappe
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Physikalisches Institut der Uni Bonn Nussallee 12, D-53115 Bonn, Germany
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