At DuPont, research is constantly being enlarged and broadened. Ideas for new products and new processes are always being studied in laboratories, such as the one shown here at Marshall Laboratory in Philadelphia, Pennsylvania. Here a scientist...
Insects caught along the Guadalupe River are studied in temporary laboratory by a zoologist from the Philadelphia Academy of Natural Science. He uses a 'teaser' to mount a large dragonfly. The Guadalupe study represents one of many efforts by...
The ultracentrifuge used at the Experimental Station to determine molecular weights of colloidal materials such as proteins, cellulose and rubber. The upper half of the housing is shown at the top of the picture. Observations are made through the...
Collection guide; Consumer products; Industrial products and design; Manufacturing and related sectors
A guide to primary material at the Hagley Museum and Library. For access to the contents of this collection contact Hagley at research@hagley.org or 302-654-2800.
Text from back of image: 'The plane 'Star of Australia' with Capt. T. P. Ulm and two companions aboard took off from Oakland Airport, Calif., on the first leg of the flight to Australia. This photo shows, left to right: Capt. T.P. Ulm, chief pilot;...
