A device for determining time and temperature of sterilization in the autoclave or hot-air oven.

@article{Brewer1954ADF,
  title={A device for determining time and temperature of sterilization in the autoclave or hot-air oven.},
  author={Joseph H. Brewer and C B McLaughlin},
  journal={Science},
  year={1954},
  volume={120 3117},
  pages={501-2}
}