Manufacturing records, special formula books, research entry books, private formula books as well as material pre-dating the Upjohn Company from W. E. and Uriah Upjohn. In this series there is also a full research and formula record from Department 15 from the years 1927-1935. Most material dates from 1900-1947, but there is limited material before 1900 and after 1947.

Manufacturing records, special formula books, research entry books, private formula books as well as material pre-dating the Upjohn Company from W. E. and Uriah Upjohn. In this series there is also a full research and formula record from Department 15 from the years 1927-1935. Most material dates from 1900-1947, but there is limited material before 1900 and after 1947.

Manufacturing records, special formula books, research entry books, private formula books as well as material pre-dating the Upjohn Company from W. E. and Uriah Upjohn. In this series there is also a full research and formula record from Department 15 from the years 1927-1935. Most material dates from 1900-1947, but there is limited material before 1900 and after 1947.