Hi Listers,
Some time ago there was some correspondence about the above subject.
Can someone please answer the following question:
If, for example you suck on the end of the unit and put your tongue over
the end to prevent any air coming in, should the vacuum remain the same
or slowly dissipate to zero?
TIA.
Chris Buckley
--
This message has been scanned for viruses and
dangerous content by Africa Online Tanzania, and is
believed to be clean.
=== This list supported in part by The Vintage Triumph Register
=== http://www.vtr.org
|