1 option
"A" Interlocking Correspondence; Blueprint 1920-1934
- Format:
- Other
- Language:
- English
- Subjects (All):
- Industries.
- Industry.
- Medical Subjects:
- Industry.
- Physical Description:
- 1 online resource
- Contained In:
- Gilded age and progressive era
- Place of Publication:
- Marlborough, Wiltshire Adam Matthew Digital 2021
- Summary:
- Relates to a slip switch from 1-X Track to Track 8 at "A" interlocking, Pennsylvania Station
- Notes:
- Pennsylvania Railroad Company
- OCLC:
- 1295838512
- Access Restriction:
- Restricted for use by site license
The Penn Libraries is committed to describing library materials using current, accurate, and responsible language. If you discover outdated or inaccurate language, please fill out this feedback form to report it and suggest alternative language.