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Mike Frey Slide Rules

Slide Rules and Other Things

Keuffel & Esser 4056 10″ Mannheim – 63

Front

Gutter

Back

in Scale

cm Scale

End Stamp 63

Clark McCoy’s K&E Catalogs – 4056 Information page

Catalog Number: MHF-548, Location: MHF-D3

Mike Frey Slide Rules

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