His measurement apparatus was designed to eliminate air currents was it not? He also had a torsion balance and a vernier to make measurements of the /relative/ changes induced in the apparatus.
I don't see how you're going to use this system to effect repeatable markings on glass tubes.
His measurement apparatus was designed to eliminate air currents was it not? He also had a torsion balance and a vernier to make measurements of the /relative/ changes induced in the apparatus.
I don't see how you're going to use this system to effect repeatable markings on glass tubes.