- Ruhm|korff coil
- Ruhm|korff coil «ROOM krf»,= induction coil. (Cf. ↑induction coil)╂[< H. D. Ruhmkorff, 1803-1877, a German inventor]
Useful english dictionary. 2012.
Useful english dictionary. 2012.
Ruhmkorff's coil — Ruhm korff s coil [So called from its inventor, Ruhmkorff, a german physicist.] (Elec.) See {Induction coil}, under {Induction}. [1913 Webster] … The Collaborative International Dictionary of English