@misc{indiciaee0f510cf5fcd,
  title = {Light housings for deep-submergence applications-part 3 : glass pipes with conical flanged ends — Illustration, Page 6},
  year = {1969},
  url = {https://www.biodiversitylibrary.org/page/32765926},
  note = {Source identifier: page-32765926}
}