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The shadow test in the diagnosis and estimation of ametropia / by W. M. Beaumont.
- Beaumont, W. M. 1851-1928.
Public Domain Mark
About this work
London : H. K. Lewis, 1890.
38 pages ; 23 cm
Where to find it
Location of original
This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)