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Vacuum pump free to a good home

posted Sep 7, 2018, 4:52 AM by Doug Sinclair   [ updated Oct 18, 2018, 2:43 PM ]
Welch 1399 vacuum pump now on the free to a good home page.  Every Sinclair Interplanetary sun sensor and torque rod was potted under vacuum from this pump.  Come take a piece of history!

Edit: The pump is off to a new happy home!