Semaphore signals

Author(s)

• American Railway Association, Signal Section

Bibliographic Information

Semaphore signals

（American railway signaling principles and practices, chapter 12）

Pub. by the Signal Section, A.R.A., c1930

Details

• NCID: BA68256280
• Country Code: us
• Title Language Code: eng
• Text Language Code: eng
• Place of Publication: New York
• Pages/Volumes: 71, 13 p.
• Size: 23 cm
• Parent Bibliography ID:
  • BA68254911