15 pages matching electrical indicating instruments in this book
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BlFILAR AND TRIFILAR SUSPENSIONS
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angle of twist aspect ratio axis of twist Ayrton bending bifilar or trifilar bifilar suspension bifilar torque British Patent circular clamped coiled strip magnifier construction deflecting torque diameter displacement elastic after-effect electrical indicating instruments electrical resistance elliptical filaments flanges force formulae galvanometers German gravimeter Greibach Hartmann & Braun helical spring jewel bearings Journal of Scientific ligament material London magnifying device maximum measuring instruments microbalance microns moving coil National Physical Laboratory peripheral multifilar suspension Perry phosphor bronze pointer quartz fibres restoring torque Samal Scientific Instruments sensitivity shear modulus shear stress shear torque shockproof short taut suspensions Siemens & Halske spring strips stresses of twist subsection suspended component suspended member suspended system suspension ligaments suspension strips taut strip suspension temperature tensile stress tensioning springs torque Q torsion balance torsion hinge torsion member torsional stiffness torsionless trifilar magnifier twisted strip magnifier U.S. Patent untwisted vibration wire Wollaston wire zero