Direct current relays

Author(s)

• American Railway Association, Signal Section

Bibliographic Information

Direct current relays

（American railway signaling principles and practices, chapter 6）

Pub. by the Signal Section, A.R.A., c1927

Details

• NCID: BA68261484
• Country Code: us
• Title Language Code: eng
• Text Language Code: eng
• Place of Publication: New York
• Pages/Volumes: 30, 9 p.
• Size: 23 cm
• Parent Bibliography ID:
  • BA68254911