A chemist observes progress of a distillation operation at the Experimental Station. When cooled with liquid air, many gases are converted to liquids which are then distilled in this low temperature still, like water or other ordinary liquids.
note with image: "One of the many dramatic features at the Ford Building, A Century of Progress, Chicago, the exhibits and interiors of which were designed by Walter Dorwin Teague. Twenty-three affiliated companies participated in addition to the...
Booklet documenting the history of the DuPont Old Hickory Cellophane Plant in Old Hickory, Tennessee. Published for the plant's 25th anniversary in 1954. Includes information about plant safety and company benefits. Item 12 of 23 from DuPont Plant...
