@misc{indiciaeff069f7a9a7a,
  title = {Introduction to experimental physics, theoretical and practical, including directions for constructing physical apparatus and for making experiments — Illustration, BHL page 17845620},
  year = {1875},
  url = {https://www.biodiversitylibrary.org/page/17845620},
  note = {Source identifier: page-17845620}
}