The principles of optometry :
an illustrated text book with questions for use in optical schools and for private students, especially designed to ground students in optometry and to assist in preparing them for state and other examinations /
by R. M. Lockwood.

APA Citation

Lockwood, R. M. (Robert Minturn). (1903). The principles of optometry: an illustrated text book with questions for use in optical schools and for private students, especially designed to ground students in optometry and to assist in preparing them for state and other examinations. New York: Frederick Boger pub. co.

MLA Citation

Lockwood, R. M. (Robert Minturn), 1857-. The Principles of Optometry: an Illustrated Text Book With Questions for Use In Optical Schools And for Private Students, Especially Designed to Ground Students In Optometry And to Assist In Preparing Them for State And Other Examinations. New York: Frederick Boger pub. co, 1903.