https://www.leybold-shop.com/physics/physics-equipment/mechanics/rotational-motion/gravitation-torsion-balance.html
Gravitation torsion balance - Rotational motion - Mechanics - Physics Equipment - Physics
torsion balancerotational motiongravitationmechanicsphysics
https://dspace-test.anu.edu.au/items/49914b57-f357-415e-9ce7-544e5c063034
A low-temperature high-sensitivity torsion balance magnetometer with in situ stator adjustment
The development of highly sensitive magnetometers using a capacitative proximity detection of the rotor position, for the use at temperatures below 10 mK, was...
low temperaturetorsion balancein situhighsensitivity