Photomicrographic microscope for both micro and macro application.

@article{Norris1961PhotomicrographicMF,
  title={Photomicrographic microscope for both micro and macro application.},
  author={G F Norris and F H MEILLER and K T BOLEN and L R CRISP},
  journal={Journal of the Optical Society of America},
  year={1961},
  volume={51},
  pages={445-6}
}