| Collection |
APH Collection |
| Credit line |
APH Archives, 2006.53 |
| Date |
ca. 1985 |
| Description |
Rectangular brushed aluminum case; pierced at top in circular pattern for speaker; RCA mini jack on top along with sliding toggle switch; aluminum cylinder on one short side houses sensor unit; four black rubber "dots" serve as feet on base; labeled, "APH/LIGHT SENSOR". |
| Dimensions |
H-1.75 W-2.375 D-4.375 inches |
| Dimension notes |
overall |
| Year Range from |
1977 |
| Year range to |
1992 |
| Made |
American Printing House for the Blind |
| Material |
Aluminum, rubber, plastic |
| Object ID |
2006.53.3 |
| Object Name |
Detector, Light |
| Place of Origin |
Louisville, KY |
| Provenance/History |
The sensor emits a tone of varying pitch and volume in relationship to the intensity of the light it detects. Production model based upon prototype developed by Lawrence Hall of Science at the University of California-Berkeley. Designed for use by students in laboratory science experiments. This item lacks the earphone and experiment manual. |
| Search Terms |
Lawrence Hall of Science |
| Subjects |
Science
Scientific equipment
Blind--Education
Instructional Aids
|
| Title |
APH Light Sensor |
