Lydia Pinkhams Compound was the mother of all patent medicines. Her Vegetable Compound might be the most popular patent medicine of all time. It is still sold today, although in a much modified form. This concoction promised to be a savior for all...
Hendrick asks if the company makes a compound engine and condenser for their automobiles and what the price would be for the same suitable for a light surrey. He inquires about the specification for the cylinders and surface for the condensers.
Hendrick asks if the company makes a compound engine and condenser for their automobiles and what the price would be for the same suitable for a light surrey. He inquires about the specification for the cylinders and surface for the condensers.
Hendrick asks if the company makes a compound engine and condenser for their automobiles and what the price would be for the same suitable for a light surrey. He inquires about the specification for the cylinders and surface for the condensers.
Hendrick shares the specifications of his compound engine. He is building a condenser for it and needs a pump for pumping the air and water from it. Hendrick wants a pump to be used as boiler pump and air compressor and asks if the company can...
The versatility of titanium tetrachloride, the liquid in the large flask, was exemplified by the exhibit of the many products made from it by the Pigments Department, which was shown to visitors to the dedication of the $30,000,000 addition to the...
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...
The unique magnetic properties of a new compound are demonstrated in this simple experiment. The compound was discovered by DuPont scientists in a fundamental research project on magnetism. A burner flame, at the left, raises the temperature of the...
An operator prepares to load a tank car of tetraethyl lead at DuPont's Chambers Works. The tank a car is on a siding in the TEL area where the antiknock compound is manufactured. DuPont's Petroleum Chemicals Division markets this product to...
An operator prepares to load a tank car of tetraethyl lead at DuPont's Chambers Works. The tank a car is on a siding in the TEL area where the antiknock compound is manufactured. DuPont's Petroleum Chemicals Division markets this product to...
The scale on the floor below at the DuPont Company�s tetraethyl lead plant is being read from the catwalk by means of a periscope. The scale shows the weight of the material going into the manufacture of tetraethyl lead, an antiknock compound...
An operator reads a scale as the finished tetraethyl lead antiknock compound is being pumped from the blender into the tank car outside the DuPont Company�s Chambers Works. It is here and at a new plant in Antioch, California that DuPont's...
A DuPont chemist at work in the laboratory. The petrographic microscope at his right is used to identify organic compounds. Insets show (1) the crystal of an organic compound (2) the interference figure or optic picture created by passing polarized...
At the DuPont Company's Experimental Station, Wilmington Delaware, this Explosives Department research chemist uses high vacuum, glass equipment in a study that may lead to a new chemical compound or a new and better way of making a known compound....
Hendrick inquires how soon the compound steam engine can be delivered once the order has been placed and if the company can also provide a pump for the condenser.
Hendrick asks if the company makes a compound engine and condenser for their automobiles and what the price would be for the same suitable for a light surrey. He inquires about the specification for the cylinders and surface for the condensers.
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...
Quack treatment for respiratory ailments were common during the late 1800s. Dr. Starkey teamed up with another physician and created this popular concoction, claiming that it was not a drug but a scientific adjustment to oxygen and nitrogen....
This triple duty Super Constellation, sporting a new military look, is ready to start long haul service with the Military Air Transport Service as a convertible transport that can be quick switched to carry passengers, cargo or hospital litter...