Retinoscopy (or shadow test) in the determination of refractions at one meter distance, with the plane mirror
- publisher: Philadelphia : P. Blakiston's son & co.
- creator: Thorington, James, 1858-
- Keyword: Retinoscopy.
- years: 1906.
- pages: xiv, 67 p. :
- class: RE965
- download: pdf file