@misc{indiciae9c6948451a4a,
  title = {The microscope : its history, construction, and application, being a familiar introduction to the use of the instrument and the study of microscopical science — Illustration, Page 340},
  year = {1871},
  url = {https://www.biodiversitylibrary.org/page/3178353},
  note = {Source identifier: page-3178353}
}