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Mike Frey Slide Rules

Slide Rules and Other Things

Keuffel & Esser 68 1617 (4053-3) 10″ Polyphase Mannheim – 201058

Front

Gutter

Back

cm Scale

in Scale

Clark McCoy’s K&E Catalogs – 4053 information page

Catalog Number: MHF-69, Location: MHF-D2

Mike Frey Slide Rules

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