Modern ophthalmic lenses and optical glass,
Obrig, Theodore Ernst.
Modern ophthalmic lenses and optical glass, by Theo. E. Obrig. - 3d ed. - New York, [Philadelphia, The Chilton company, Printing division] 1944. - xix, 323 p. illus., diagrs. (1 fold.) 22 cm.
Bibliography: p. 302-306.
sg 45000050
Lenses.
Optical glass.
RE961 / .O3 1944
617.75
Modern ophthalmic lenses and optical glass, by Theo. E. Obrig. - 3d ed. - New York, [Philadelphia, The Chilton company, Printing division] 1944. - xix, 323 p. illus., diagrs. (1 fold.) 22 cm.
Bibliography: p. 302-306.
sg 45000050
Lenses.
Optical glass.
RE961 / .O3 1944
617.75