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Mike Frey Slide Rules

Slide Rules and Other Things

Keuffel & Esser 4041F 10″ Mannheim with fine divisions – 610

Front
Front Gutter
Back
cm Scale
in Scale

End Stamp – 610

Clark McCoy’s K&E Catalogs – 4041 Information page

Catalog Number: MHF-12, Location MHF-D1

Mike Frey Slide Rules
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