Wilhelm J.D. Keuffel Documents

Keuffel & Esser published their first catalog, a twenty-four-page booklet, in 1868. Five years later, their catalog was 123 pages…

Page from the album In Memoriam. William J.D. Keuffel, 1908, published by the Akademischer Verein von Hoboken [Academic Association of…

On Tuesday, July 19, 1892, Keuffel & Esser Co. celebrated its twenty-fifth anniversary with a company picnic at Berg’s Oriental…

The Hoboken Academy was a private German school founded by Saxon immigrant Adolf Douai in 1860. Keuffel served as president…

“Tables for Excavations and Embankments,” from the K&E Field Engineer’s Book 361. Made by Keuffel & Esser Co., NY. Used…

Catalog: Instruments for Forest Work, Keuffel & Esser Co., Manufacturers, New York. 2nd Edition, 1905, pp. 10-11.

Instructions for Both’s Patent Section Liner & Scale Divider, no. 1159, issued by Keuffel & Esser Co., New York and…

The slide rule was invented by English mathematician William Oughtred (1575-1660) in the mid seventeenth century on the basis of…

Student’s Alphabets. A Selection of Useful Alphabets, No. 3571. Published by Keuffel & Esser Co., 1907. Leaf 1. Drafting supplies,…

After opening stores in Chicago (1891), St. Louis (1894), and San Francisco (1901), Keuffel and Esser expanded into Canada, where they opened a store in Montreal in 1908. Source: # 2010.025.0001, Hoboken Historical Museum.

This advertisement for a Cox model duplex slide rule explained the new features of the rule, described how it worked, and noted how it differed from the Mannheim style rule.