@misc{indiciae2b0c3b647d0e,
  title = {The sciopticon manual, explaining lantern projection in general, and the sciopticon apparatus in paricular — Illustration, Page 196},
  year = {1877},
  url = {https://www.biodiversitylibrary.org/page/19502837},
  note = {Source identifier: page-19502837}
}