APH Light Sensor Manual
Publisher: American Printing House for the Blind
Published: 1976
Language: eng
Number of pages: 46
Subjects: Assistive Technology
Description: This Manual was produced pursuant to a contract with the Bureau of Education for the Handicapped, US Office of Education, Department of Health, Education, and Welfare.  (Contract No. 720E7163, OEG 2-6-062289)