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Details and Image



TypeModel No.MakerCountryConstruction
Material
DateScale LengthArea of Use
Linear
DP121
HemmiJapan
Plastic
20 cmOverhead Projection in Classroom

Notes: "This working, transparent rule is designed for use on an overhead projector in the classroom; the rule scales are identical to the Hemmi model P253."

A PDF Manual is available. Please click HERE.


Image 1