@misc{indiciaef1ef4e27d5e1,
  title = {How to use the microscope; being practical hints on the selection and use of that instrument, intended for beginners — Illustration, Page 68},
  year = {1882},
  url = {https://www.biodiversitylibrary.org/page/18714544},
  note = {Source identifier: page-18714544}
}