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Mike Frey Slide Rules

Slide Rules and Other Things

Keuffel & Esser 4035 Metal Frame Glass Cursor – 30

Front
Front Gutter
Back
in Scale

End Stamp 30

Clark McCoy’s K&E Catalogs – 4035 Information page

Catalog Number: MHF-10, Location: MHF-D1

Mike Frey Slide Rules
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