Keuffel & Esser Slide Rule Pat Dates #4088-3

Unavailable
Keuffel & Esser Co. NY antique slide rule. Pat June 5 1900 and Dec. 22 1908. Sliding rule with silver type trim. Marked 4088-3 on sliding window portion. Original brown leather carry case included.
W=1.25 in. x L=12 in.

Item Details

Reference #:
18400
Quantity
1
Category
Tools
SubCategory
Department
Collectibles
Year
unknown
Dimensions
(Width x Height X Depth)
x x
Weight
Unknown
Condition
Perfect- age wear on the leather-slide rule is in excellent con
Material