@article{DA,
      author = {Hynson, Westcott && Co.},
      url = {http://digitalcollections.ohsu.edu/record/4192},
      title = {Dunning colorimeter in case},
      abstract = {Medical Museum Collection, Box 9},
      number = {DA},
      doi = {https://doi.org/10.6083/M4FJ2F49},
      recid = {4192},
      address = {1890},
}