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! |
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Vacuum pump free to a good homeposted Sep 7, 2018, 4:52 AM by Doug Sinclair [ updated Oct 18, 2018, 2:43 PM ]
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