@misc{indiciae8aa4ccb77abf,
  title = {The sciopticon manual, explaining lantern projection in general, and the sciopticon apparatus in paricular — Illustration, BHL page 19502682},
  year = {1877},
  url = {https://www.biodiversitylibrary.org/page/19502682},
  note = {Source identifier: page-19502682}
}