@misc{indiciaebc460f1c37e9,
  title = {The elements of electrical engineering; a text book for technical schools and colleges. Vol. I. Direct current machines; electric distribution and lighting — Illustration, Page 45},
  year = {1907},
  url = {https://www.biodiversitylibrary.org/page/17499851},
  note = {Source identifier: page-17499851}
}