William J. D. Keuffel and Herman Esser partnered in business in New York in 1867, selling drawing materials and drafting supplies. K&E, as the firm was soon known, began offering surveying instruments in 1876, and was incorporated in 1889. K&E introduced a new line of surveying instruments in the early 1890s, many of which are displayed in the National Museum of American History in... All
William J. D. Keuffel and Herman Esser partnered in business in New York in 1867, selling drawing materials and drafting supplies. K&E, as the firm was soon known, began offering surveying instruments in 1876, and was incorporated in 1889. K&E introduced a new line of surveying instruments in the early 1890s, many of which are displayed in the National Museum of American History in... All