"Reading" in the class room
Subtitle: teaching, diagnostic, and corrective techniques with the ophthalm-o-graph, a portable, binocular eye-movement camera, and the metron-o-scope, a triple shutter, short-exposure device for the practice of controlled reading ...
Publisher: American optical company
Published: 1937
Place of publication: Southbridge, Mass.
Language: eng
Number of pages: 46
Subjects: Ophthalmology; Instruments; Psychology of Reading; Eye; Movements
Other titles: Ophthalm-o-graph.; Metron-o-scope.
Notes: "1st edition."

Bibliography: p. 43-46.