Lubricity tester. Previously: Vacuum tube tester - photo Field olfactometer - photo Explosimeter gauge - photo Spherical densiometer for measuring forest density - photo HVAC balometer - photo
New plans added on 11/20: Click here for 2,589 plans for homemade tools.
nova_robotics (Dec 3, 2020)
Neat. Is it like the machine that Project Farm jimmied up to do his lubricant tests?
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