K + E slide rules
Subtitle: a self instruction manual
By: Lyman M. Kells, Willis F. Kern and James R. Bland.
Contributors: Kern, Willis F. 1903-; Bland, James R.
Publisher: Keuffel & Esser
Published: 1955
Place of publication: New York; Hoboken, N.J
Language: eng
Number of pages: 126
Subjects: Slide-rule.
Notes: "For use with the following K & E Slide Rules: Log Log Duplex Decitrig ® No. 4081, Jet Log TM Duplex Decitrig ® No. 4181."--T.p.

Includes index.