Sandia Corporation Cumulative Binomial Distribution Computer

Country of manufacture: USA,            Date of manufacture: >= 1963
Overall length: 23.0 cm,          Width: 10.1 cm.,           
Materials: Transparent plastic shell with cardboard slide
Scales: specialized
Condition: C3-C4 (Signs of Very Minimal to Minimal use)
Came with: Paper envelope wth instructions printed on it