@misc{indiciaec53596a21e67,
  title = {The Westinghouse air-brake handbook; a convenient reference book for all persons interested in the construction, installation, operation, care, maintenance, or repair of the Westinghouse air-brake systems, or in the control of trains by means of the air brake — Illustration, Page 411},
  year = {1913},
  url = {https://www.biodiversitylibrary.org/page/17997521},
  note = {Source identifier: page-17997521}
}