Archive of Collections



Details and Image



TypeModel No.MakerCountryConstruction
Material
DateScale LengthArea of Use
Linear
Pickett / PR13 Projection
Pickett
USA
Clear Plastic
1970's
25 cm
Teaching & Demonstation

Notes: "The Pickett overhead projector slide rules were an alternative to the giant 4-foot or 7-foot slide rules that were hung above the blackboards in high schools all across America. The PR-12 and PR-13 are 12 long overall, which will completely span the glass on a typical overhead projector."


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