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Mike Frey Slide Rules

Slide Rules and Other Things

Keuffel & Esser 4053-2  8″ Polyphase Mannheim – 959

Front
Gutter
Back
k Scale
in Scale

End Stamp 959 – From the Collection of Conrad Shure

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

Catalog Number: MHF-597, Location: MHF-D2

Mike Frey Slide Rules
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