track magnet en · NOUN
Meanings
-
A magnet incorporated in railway track for various purposes.
Train positions and speeds were established by a track magnet at each milepost, which produced a suitable mark on the punched recording tape whenever a train passed.
1960 December, “Talking of Trains: Recording electric operation”, in Trains Illustrated, page 707:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| track magnets | Number=Plur | lexicographic |