The log log duplex decitrig slide rule, no. 4081 : a manual /

Bibliographic Details

Main Authors:	Kells, Lyman M. (Lyman Morse), 1888-1980, Kern, Willis F. (Willis Frederick), 1903- (Author), Bland, James R. (Author)
Corporate Author:	Keuffel & Esser Co
Format:	Book
Language:	English
Published:	New York : Keuffel & Esser, [1943]
Subjects:	Slide-rule.