A paragon scale ruler with sleath; "Bertin" lightly etched into ruler, pencil lead lightly added to highlight mark; "Flat Paragon Scale, K. & E. Co." label on sleath
Collection
E.G.Bertin Collection
Made/Created
Manufacturer
Keuffel & Esser Company
Notes
Date: Mid-20th Century
Lexicon
Nomenclature 4.0
Nomenclature Primary Object Term
Ruler
Nomenclature Class
Weights & Measures T&E
Nomenclature Category
Category 05: Tools & Equipment for Science & Technology
