Research on guidance devices for the blind
Subtitle: a progress report of work done at the Haskins Laboratories, New York City, between February 15, 1944 and December 1, 1946, under the auspices of the Committee on sensory devices, the National academy of sciences. Prepared by the staff of the Haskins laboratories and approved for submission to the Committee on sensory devices by F. S. Cooper [and] Paul A. Zahl, project directors
Contributors: National Research Council (U.S.). Committee on Sensory Devices
Published: 1946
Place of publication: New York]
Language: eng
Number of pages: 207
Subjects: Blind
Notes: Cover title.

Describes work performed under Contract V. A. M. - 21223, Subcontract [No.] 7, under the auspices of the Committee on Sensory Devices of the National Research Council.

Bibliographical footnotes.