Slide rule, Kansas City Southern Railway

Slide Rule, Kansas City Southern RR Co., Slide rule for steam locomotive calculations. Former property of E.P.O'Connor Mechanical Engineering Draughtsman for Kansas City Southern Rail Road Co. in 1940's. (In original box with instructions. "Geo.W.Richardson's Direct Reading Slide Rule". 11"x1 3/4"

Details

Category:
Tools of the Trade & Personal Accessories
Object Number:
1988-7485
Measurements:
overall: 11 in x 1 3/4 in
type:
slide rule
credit:
Meyer, H M