Rohm and Haas Company

A collection of chemical industry marketing materials and technical bulletins from 1932 to 1996 as collected and maintained by John E. Mehren on the behalf of the PM Chemical Company.

Ten reports pertaining to the purification of penicillin by use of Amberlite Polymeric Resins by Rohm & Haas dating from 1944 to 1945.

The ledger contains data kept by one or more Rohm and Haas employees documenting their use of a Haber-Lowe Industrial Interferometer for purposes of quality control. Accompanying the ledger is a folder of material gathered by Raymond C. Ferguson to produce the article "A Pioneering Example of Quality Control. The Rohm and Haas Oropon Interferometer.".

For a more detailed inventory, please view this record in our library catalog: https://othmerlib.sciencehistory.org/record=b1059338~S6