Archive of Collections



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Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU607Linear
4160
4446
1
Chemist'sKeuffel & EsserUSA
21
Engine divided celluloid laminated mahogany
"10"
1913
C5

Notes: Column style glass indicator. Special slide rule for use by chemist's to solve various problems in Stoichiometry such as gravimetric and volumetric analyses. Model number on left end of slide.

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