IEVref:
821-03-34
ID:
Language:
en
Status:
Standard
Term:
treadle
Synonym1:
rail contact
Synonym2:
Synonym3:
Symbol:
Definition:
device close to or attached to a rail, activated by the passage of a wheel
Publication
date
:
2017-11-20
Source
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5:
device close to or attached to a rail, activated by the passage of a wheel