Wooden ruler with metal hinges, brass fasteners and edges with gradiations in imperial and metric which reads "Tufkin OT No. 781 Warranted Boxwood, Made in Canada".
Context
Lufkin Warrented Boxwood, Made in Canada. Folds into pocketsize - non-metric.
Lexicon
Nomenclature 4.0
Nomenclature Secondary Object Term
Rule, Folding
Nomenclature Primary Object Term
Ruler
Nomenclature Class
Weights & Measures T&E
Nomenclature Category
Category 05: Tools & Equipment for Science & Technology
