Assemblies of glassware of special and complex design are frequently necessary for the analysis of chemical compounds in the development of new and improved products. Here a chemist and laboratory assistant at the Experimental Station set up...
This complicated piece of high vacuum apparatus in the laboratories of the Chemical Department of DuPont is used for measuring the surface are of fine powders, such as pigments. The process involves measuring the amount of gas such as nitrogen...
This complicated piece of high vacuum apparatus in the laboratories of the Chemical Department of DuPont is used for measuring the surface are of fine powders, such as pigments. The process involves measuring the amount of gas such as nitrogen...
Assemblies of flasks, bubbler absorption tubes and enclosed lamps make possible the burning of liquid samples and the collection of the gases formed. Here a chemist and laboratory assistants at the Experimental Station operate apparatus for...
At the Experimental Station, DuPont carries out fundamental research as a vital part of its scientific activities. This type of research is conducted to uncover new knowledge without regard to specific commercial objectives. Here in a fundamental...
The glass blower is indispensable to the modern research lab. At the Experimental Station located near Wilmington, Delaware a glass blower's shop is maintained where special apparatus necessary for research is fashioned. Some of the pieces...
Where an art abets a science. Glass blowers supply chemists with special laboratory apparatus essential to exploring chemical world. Here a glass blower gives final form to a part for high vacuum still used in chemical research at the Experiment...
The research lab is the heart of the modern chemical industry. Large sums of money are annually spent for research. Many trained men are employed. The chemical operations demand the utmost care and are frequently quite complex. This image shows a...
Assemblies of flasks, bubbler absorption tubes and enclosed lamps make possible the burning of liquid samples and the collection of the gases formed. Here a chemist and laboratory assistant at the Experimental Station operate apparatus for...
Caption: "This apparatus automatically tips and empties the cars filled with newly mined coal as they emerge from the depths. Modern apparatus like this has added speed and efficiency to the preparation of Reading Anthracite for use as fuel in...
Full size man carrying Langley machine on houseboat on Potomac River just before its trial on October 7, 1903. Though at that time the launching apparatus caused the failure of the trial, note that it is the same which has since been used in...
The “inside story” of 1940 car-The slightest jiggle of this 1940 Plymouth, which Miss Average Motorist, ordinarily would never detect, is here picked up by the newest-type “vibration meter” and amplified to a roar like thunder in the...
For photographing the human voice and reproducing it, not as a picture but as the actual sound of the voice itself, a new device known as the Pallo-Photo-Phone has been perfected by Charles A. Hoxie of the General Electric Company. It is regarded...