NASA NTRS · 19920000189
Magnetic Location Indicator
Abstract
Ferrofluidic device indicates point of highest magnetic-flux density in workspace. Consists of bubble of ferrofluid in immiscible liquid carrier in clear plastic case. Used in flat block or tube. Axes of centering circle on flat-block version used to mark location of maximum flux density when bubble in circle. Device used to find point on wall corresponding to known point on opposite side of wall.
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Stegman, Thomas W.. 1992-03-01. Magnetic Location Indicator. https://ntrs.nasa.gov/citations/19920000189
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