Letter from S. C. Kelton, Secretary of Rohm and Haas Company to W. N. Watson, Secretary of Manufacturing Chemists’ Association, correcting a published misstatement concerning the date of the founding of the Lennig Company, 1939

Letter from S. C. Kelton, Secretary of Rohm and Haas Company to W. N. Watson, Secretary of Manufacturing Chemists’ Association, correcting a published misstatement concerning the date of the founding of the Lennig Company, 1939, Box: 2, Folder: 2, Object: 7. Records of the Manufacturing Chemists’ Association, DP01-01. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/43151 Accessed November 25, 2024.