Witco Chemical Corporation
Organization
Found in 2 Collections and/or Records:
John E. Mehren Chemical Industries Publications Collection
Collection
Identifier: 2018-017
Abstract
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.
Dates:
1932-1992
Found in:
Science History Institute Archives
Witco Stamp Collection
Collection
Identifier: 2003-020-001
Abstract
A collection of international postage stamps and philatelic material depicting various aspects of chemistry and related sciences.
Dates:
1910-1983
Found in:
Science History Institute Archives
Additional filters:
- Subject
- Chemical industry 1
- Postage stamps 1
- Postage-stamp albums 1
- Publications 1
- Science on postage stamps 1