- Accession Number:
- 1993.6.1-5
- Description:
- This set of introductory simple machines was adapted for young blind students to facilitate learning of basic physical science concepts. The set includes a lever, an inclined plane, a wheel and axle, a pulley, and a wedge; all made of hard wood. The "simple machines" were adapted from the Crusader Science Collection manufactured by Crusader Toys, San Marcos, California. APH catalog no. 1-0335. .1 - lever, 18 x 6 in. .2 - inclined plane, 16 x 7 in. .3 - wheel & axle, 16 x 9 in. .4 - pulley, 16 x 5 in. .5 - wedge
- Date Made:
- ca. 1975
- Place of Origin:
- Louisville, KY
- Credit Line:
- Gift of Services for the Visually Impaired, Springfield, IL
- Subjects:
- Instructional aids, tools, and supplies Physics Science Weights and measures
- Made:
- American Printing House for the Blind
- Material:
- Wood
- Updated:
- 01/29/2021