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Subjects
Refraction, Ocular
✖Remove constraint Subjects: Refraction, Ocular
Authors
Burnett, Swan M. (Swan Moses), 1847-1906, author
✖Remove constraint Authors: Burnett, Swan M. (Swan Moses), 1847-1906, author
Titles
Refraction in the principal meridians of a triaxial ellipsoid: with remarks on the correction of astigmatism by cylindrical glasses, and an historical note on corneal astigmatism
✖Remove constraint Titles: Refraction in the principal meridians of a triaxial ellipsoid: with remarks on the correction of astigmatism by cylindrical glasses, and an historical note on corneal astigmatism