@misc{indiciae1e7839c97562,
  title = {A digital electronic caliper.},
  author = {A R Bowley and A D Christie and C Nicol},
  year = {1973},
  doi = {10.1016/0041-624x(73)90235-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/4743767/},
  note = {Source identifier: 4743767}
}