Hendrick writes in reference to a four passenger automobile. He would like to have springs in the vehicle that are softer than springs are ordinarily. Hendrick offers a comparison on the springs of several different vehicles. He ends the letter...
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...
Blast furnaces and stoves. Ordinarily a blast furnace uses either three or four stoves each, in this case the center stove would serve as a swing stove being used for either furnace as needed
A corner of the new Special Service Lab at the DuPont Company's Experimental Station illustrates the range of research equipment available. This makes it possible to carry out chemical reactions and various physical operations with equipment not...
Highly ingenious laboratory tools and instruments help DuPont scientists uncover many secrets of nature ordinarily hidden from the human senses. This 'Breath meter' is so sensitive that mere blowing on the steel bar can easily be registered. This...