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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
DP121
Hemmi
Japan
Plastic
20 cm
Overhead 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
