Brooks variable inductometer

Brooks variable inductometer

[¦bru̇ks ′ver·ē·ə·bəl ‚in‚dək′täm·əd·ər]
(electricity)
An inductometer providing a nearly linear scale and consisting of two movable coils, side by side in a plane, sandwiched between two pairs of fixed coils.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.