Bifocals
Subtitle: a history of the scientific and mechanical development of the double-vision lens from the time of Franklin, with chapters on the prescription of bifocals and their use in certain difficult cases
By: by L. W. Bugbee and L. W. Bugbee, jr.
Contributors: Bugbee, Lucian Willis, Jr., joint author.
Edition: [3d ed.]
Publisher: Onepiece bifocal lens co.
Published: 1923
Place of publication: Indianapolis, Ind
Language: eng
Number of pages: 76
Subjects: Lenses