On long, short, and weak sight and their treatment
Subtitle: by the scientific use of spectacles
By: by J. Soelberg Wells
Edition: 3d ed.
Publisher: Lindsay & Blakiston
Published: 1869
Place of publication: Philadelphia
Language: eng
Number of pages: 248
Subjects: Eyeglasses; Ocular Refraction
Notes: Includes index and bibliographical references.