@misc{indiciae22226081a4b9,
  title = {Micrographia : containing practical essays on reflecting, solar, oxy-hydrogen gas microscopes; micrometers; eye-pieces, \&c. \&c — Illustration, Page 181},
  year = {1837},
  url = {https://www.biodiversitylibrary.org/page/35099798},
  note = {Source identifier: page-35099798}
}