Philadelphia Area Archives

Start Over Subject Chemical engineering -- United States

James Cloyd Downs Papers, 1902-2018 (inclusive) 1923-1957 (inclusive)

Extent:: 3.5 linear feet (2 record boxes and 1 hollinger box.)
Abstract:: Diaries, correspondence, printed materials, and photographs of American chemical engineer James Cloyd Downs.

Held at: Science History Institute Archives [Contact Us]

Adelbert T. Tweedie Papers, 1964-2016 (inclusive) 1966-1986 (bulk)

Extent:: 1.4 linear feet (1 record box.)
Abstract:: Proposals, manuscripts, and memoranda of American research chemist Adelbert T. Tweedie.

Held at: Science History Institute Archives [Contact Us]