@misc{indiciae4d6f6d90d374,
  title = {The sciopticon manual, explaining lantern projection in general, and the sciopticon apparatus in paricular — Illustration, BHL page 19502665},
  year = {1877},
  url = {https://www.biodiversitylibrary.org/page/19502665},
  note = {Source identifier: page-19502665}
}