@misc{indiciae401a036f193e,
  title = {Bentley's lightning calculator, comprising all the various computations employed in the management of creameries and cheese factories ... — Illustration, BHL page 38986058},
  year = {1894},
  url = {https://www.biodiversitylibrary.org/page/38986058},
  note = {Source identifier: page-38986058}
}