@misc{indiciae19016b764b1c,
  title = {Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine, fully illustrated with plates and with over 400 text-figures — Illustration, Page 91},
  year = {1914},
  url = {https://www.biodiversitylibrary.org/page/19572098},
  note = {Source identifier: page-19572098}
}