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slide rule tie clip

Major collection: Science & Technology
Object type: slide rule tie clip
Maker: Materials: metal; plastic
Measurements: 1/2 in x 2 in x 1/2 in
Nomenclature: data processing tools and equipment - slide rules
Classification: tools and equipment

White plastic slide rule on gold metal backing with alligator clip. Slide has crystals at each end. Slide moves. No cursor. Scales ruled in black, slide in red.


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