Binocular astigmatism / [by H. Culbertson].
- Culbertson, H. (Howard), 1828-1890.
- Date:
- [1888]
Licence: Public Domain Mark
Credit: Binocular astigmatism / [by H. Culbertson]. Source: Wellcome Collection.
Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)
6/6 (page 8)