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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
UTO / 561
UTO
Denmark
Plastic
1960's
25 cm
Engineering
Notes:
"The UTO Model 561 slide rule, made in Denmark, is almost a Rietz slide rule, but has an ST scale instead of a K scale. This is a true simplex slide rule, there is nothing on the back of the slide or back of the slide rule."
Image 1
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Image 3
Image 4
