@misc{indiciaec8c98b2c76f3,
  title = {The sciopticon manual, explaining lantern projection in general, and the sciopticon apparatus in paricular — Illustration, Page 185},
  year = {1877},
  url = {https://www.biodiversitylibrary.org/page/19502826},
  note = {Source identifier: page-19502826}
}