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Subject: Smoke machines

Smoke machines

From: William Minter <wmntr>
Date: Friday, August 30, 2002
Paul Harrison <paulehar [at] netvigator__com> writes

>Has anyone tried putting a stage/disco smoke generator in a display
>case? I want to see how much some cases leak and from where, but I
>wondered about the residue left behind by the machines.

Based on a recent visit to the Science Museum with my sons, we
learned that liquid nitrogen is used for producing fog on stage. I
would assume that nitrogen would not leave any residue? An open
container of liquid nitrogen will simply boil away.

Bill Minter

                  Conservation DistList Instance 16:16
                  Distributed: Friday, August 30, 2002
                       Message Id: cdl-16-16-006
Received on Friday, 30 August, 2002

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