haha Archives – Vacuum Simplicity

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What are some simple machines that you can find in a home?

Alicia~ need help to clarify doubt about: : What are some simple machines that you can find in a home? Hi, I'm back with new...

Vacuum tube Q's.. i've got tubes… a lot of tubes.?

I have a ton of vacuum tubes and a few questions to go with. My grandfather was the main man at the Sylvania facility...