DescriptionK&E Salisbury Products Divison Slide Rules. By Joseph L. Soper. [Pleasanton, CA]: The Oughtred Society, [2007]. First edition. Small 4to softcover. pp. [xiv], 131, illustrated. No index. Copy 2. Soper became a Keuffel & Esser Hoboken employee in 1966 and was soon transferred to the Salibury Products Plant in Lakeville, Ct.. This wholly-owned division produced slide rules for K&E from ca. 1951 to 1976. It recounts the corporate history of the period including the transfer of Salisbury operations back to Hoboken in 1969 for a brief period that ended in 1970. Soper provides a detailed history of manufacturing of slides rules in that period with photographs of equipment and materials. small 4to softcover