David Brooks - SCOTSMAN Project
This blog is to record my SCOTSMAN project. For this project I chose the brief of
Saturday, 8 March 2014
One way seal for vacume pump
This is a very good example of how easy a one way seal can be to make
http://www.instructables.com/id/How-To-Make-a-One-Way-Check-Valve-For-Cheap/
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