@misc{indiciae39c7f42a7902,
  title = {Light housings for deep-submergence applications-part 3 : glass pipes with conical flanged ends — Illustration, Page 31},
  year = {1969},
  url = {https://www.biodiversitylibrary.org/page/32765901},
  note = {Source identifier: page-32765901}
}