Online Content: Not Available / Form: Lantern slides and Photography -- Negatives - Philadelphia Area Archives Search Results

Start Over Online Content Not Available Form Lantern slides Form Photography -- Negatives

Extent:: 23.6 linear feet ((9 record boxes, 2 hollinger boxes, 1 half hollinger box, 1 videotape box, 8 oversized boxes, 7 photo album boxes, and 3 photo negative boxes.))
Abstract:: Business records, printed materials, artifacts, audio-visual materials, and photographic materials of BetzDearborn, Incorporated, an American chemical company that manufactured water treatment chemicals for commercial and industrial applications. The materials in this collection mainly document the history of BetzDearborn's two corporate ancestors: Betz Laboratories, Incorporated and Dearborn Chemical Company.

Held at: Science History Institute Archives [Contact Us]

Extent:: 26.6 linear feet (13 record boxes, 1 hollinger box, 1 half hollinger box, 4 photo negative boxes, and 5 oversized boxes )
Abstract:: Correspondence, research files, business records, notebooks, printed materials, and photographic materials of American clinical chemist, inventor, and corporate executive Norman G. Anderson.

Held at: Science History Institute Archives [Contact Us]

Search