Archive of Collections



Details and Image



TypeModel No.MakerCountryConstruction
Material
DateScale LengthArea of Use
Linear
168
AristoGermany
Plastic
1968 or after20 cmOverhead Projection in Classroom

Notes: "This working, transparent rule is designed for use on a classroom overhead projector; the rule scales are identical to the Aristo 0968 Studio slide rule. Note how label on face of rule admonishes users in six languages not to let rule overheat."


Image 1