Hendrick writes asking them to send Mr. Hale back to help with the machine. The machine had been out of order during the 2 or 3 weeks Hale had been there and so Hendrick was unable to test the machine to his satisfaction.
The E. I du Pont de Nemours & Company minute books document an important era in the history of the company from just before the turn of the twentieth century through the 1930s. The DuPont Company in this time went through many changes in structure...
MD has collected all arms belonging to the General Government, (in hands of "suspected" companies) and reminding du Pont that he (lockwood) has the authority had will do so in Delaware as well.
Admiral Du Pont sending via the steamer Massachusetts, two hundred-pounder rifle bolts (shells) and one forty-pounder recovered at Ft. Pulaskis, fired by sailors from the Wabash. He is sending them to Lammot for safe keeping and so not to alarm his...
Joanna du Pont, Lammot's aunt, writes to ask if he can release Richard Hunter (a member of Company B, 5th Regiment Delaware Volunteer Infantry) from military service so that Hunter can take care of her ill horses. She also discusses family members.
New York NY- This scene at R.H. Macys is typcial of what is going on in all the Metropolitan department stores. The crowds were so dense that it was necessary to rope off the section and permit so many through at a time.
Text from image: "Are You Afraid of Criticism? Some workers are so easily offended, that to criticise their work -- Means Trouble. Therefore nobody criticises, nobody suggests, nobody helps them, and so they never progress. Everybody must learn...
McCall has procured a vessel to transport powder. He requests the company to send him additional powder so that he can meet the upcoming fall demand, especially for country orders so that the company can expand its reputation there.
Aluminum alloy rivets in the little cellophane envelope at the left will remain cold and therefore are drivable for an hour or an hour and a half, because of the insulating property of the cellophane, instead of only a half hour, as was the case...
A step in the manufacture of Butacite polyvinyl butyral resin, which is used as the inner layer of laminated safety glass for automobiles. Here Butacite is being cut to widths ordered by the customer to fit his requirements for windshields and...
Butacite' polyvinyl butyral resin is used as inner layer of safety glass. Sheeting manufactured from this resin is of excellent clarity and color and is particularly resistant to the deteriorating influences of prolonged exposure to heat, light and...
This is another view of the manufacture of continuous sheeting of Butacite polyvinyl acetal resin, which is used as interlayer in modern laminated safety glass. As it passes onto a wind up roll, as shown in this picture, its unusual flexibility is...
Large bottles of terpineol, the chief constituent of synthetic lilac perfume. Reflected in the vessels of crystal clear oil are the large drums of the raw materials for perfume manufacture. Until the lilac odor was synthesized-one of the...
An intermediate step in making synthetic lilac perfume-the distillation of terpineol. The crude terpineol oil is vaporized in a vacuum still, the vapors are purified in a fractionating column, cooled in a condenser and finally the pure terpineol...
An intermediate step in making synthetic lilac perfume-crude terpin hydrate flowing into the large vat where it is filtered and purified. Until the lilac odor was synthesized-one of the outstanding achievements of the chemical laboratory in...
About two dozen constituents, besides terpineol, combine to make synthetic lilac perfume. Mr. Theodore Hoffman, director of the DuPont perfume laboratories and an outstanding authority on perfumes, is shown at the scales of his laboratory...
Theodore Hoffman, director of the DuPont perfume laboratories and an outstanding authority on perfumes, applies the last test to a bottle of perfume-which depends on the olfactory sense and not on formulas, at the New Brunswick, New Jersey factory...
Hendrick asks if the company would sell him a condenser for his automobile. Hendrick doesn't care a snap about the cost. He also mentions the specifications of his compound engine and asks if they make a four passenger surrey and if so, what would...