TitleSlide rule case
ManufacturerKeuffel & Esser Co.
Dimensionsoverall: 1 in x 12 7/8 in x 2 1/2 in
DescriptionThe end flap contains the description, "K & E LOG LOG DUPLEX VECTOR." The object accompanies catalog number 102741648 which is described as Presper Eckert's slide rule.
CreditGift of Wayne Holder