URI(s)
- http://id.loc.gov/authorities/subjects/sh85111032
- http://id.loc.gov/authorities/sh85111032#concept
Components
- Signaling
- Interlocking systems
Variants
- Interlocking signals
Closely Matching Concepts from Other Schemes
Broader Concepts from Other Schemes
LC Classification
- TF635
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1986-02-11: new
Alternate Formats
