Taking a sample of dope-the material from which the film base is made- from large stainless steel mixing tank. Dope is the product resulting from mixing the cellulose acetate and suitable solvents, This sample will be sent to the laboratory to...
Here an operator mixes a sample of shade ordered by car manufacturers. The mixing of large batches is based on this sample. To achieve the exact tint requires a sharp eye and long experience.
An operator draws a sample of neoprene latex from a 400 gallon polymerization kettle. Sample is used for production control tests. A part of the plant's production is shipped from DuPont's Louisville Works in this form; the reminder is processed...
A metallic material with unique on and off magnetic characteristics has been discovered by DuPont scientists doing fundamental research on magnetic substances. Above a specific temperature the compound chromium manganese antimonides, is strongly...
Preparing a test sample for electroplating in the Sodium Products service laboratory at the Electrochemicals Department plant at Niagara Falls, New York. DuPont uses this laboratory for service to customers and for the development of the new...
View of a new ultra-violet photometer, developed by DuPont scientists, shows the two sampling tubes running between the box at left, which encloses the light source, and the housing at right for two photo-electric cells with their rheostats and...
Written on back: "'Everglaze' Rustle-N-Glo cotton by Dumari in afternoon dress by Betty Carol of Mam'selle." Fabric sample attached: "Square Weave Cotton in 'Everglaze' 75-B-26" (fabric sample does not match dress)
Caption text on photo: "An operator draws a sample of neoprene latex from a 400-gallon polymerization kettle. Sample is used for production control tests. A part of the plant's production is shipped from DuPont's Louisville Works in the form; the...
Advertisement from the J. R. Farrell Co. to William du Pont regarding their waterproof suits for yacht crews. Included are a testimonial from the U. S. Life Saving service and a stamped fabric sample.
Honest to goodness, this is really the largest commercial building in America. Merchandise Mart has four million square feet of floor space. Tower section alone is as large as most office buildings. If built up like most of the recent setback...
Keim has observed the high quality of du Pont gunpowder in a powder sample from the company and agrees to act as an agent if the two businesses can come to an agreement on terms.
