[Howe and Rideal taken at the American Chemical Society Institute, State College, Pa, 1927.]
- Name:
- Howe, Harrison Estell, 1881-1942; Rideal, Eric K. (Eric Keightley), Sir, 1890-
- Date:
- 1927
- Identifier:
- P/H833 M
- Subject:
- Scientists
- Rights:
- http://rightsstatements.org/vocab/CNE/1.0/
- Notes:
- Rideal, at left; Howe, at right.; Photograph
- Collection:
- Edgar Fahs Smith Image Collection (University of Pennsylvania)