Mannheim slide rule
Subtitle: complete manual with tables of settings, equivalents and gauge points
By: by Wm. Cox.
Contributors: Keuffel & Esser Co.
Publisher: Keuffel & Esser
Published: 1891
Place of publication: New York
Language: eng
Number of pages: 32
Subjects: Slide-rule
Notes: "Catalogue of Keuffel & Esser Co. nos. 4030 to 4051."

Cover title.