@misc{indiciae24b6c9f57b4d,
  title = {Laboratory arts; a teacher's handbook dealing with materials and tools used in the contruction, adjustment, and repair of scientific instruments — Illustration, Page 158},
  year = {1908},
  url = {https://www.biodiversitylibrary.org/page/18702768},
  note = {Source identifier: page-18702768}
}