The systematic use of cylinders in making the shadow test
By: by Alexander Duane
Contributors: Tweedy, John, 1849-1924, former owner; Royal College of Surgeons of England
Publisher: s.n.]
Published: 1903
Place of publication: [Chicago
Language: eng
Subjects: Refractive Errors, diagnosis; Diagnostic Techniques, Ophthalmological, instrumentation
Notes: 'Reprint from The Ophthalmic Record, September, 1903' - cover.

This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

The Royal College of Surgeons of England.