Written on back: "Two eight section fireboxes for Texas & Pacific RR. Two eleven section fireboxes for Frisco Lines. One twenty section firebox for Western Maryland RR."
100 4 horse teams are at work on a section of the All American Canal being constructed by the Bureau of Reclamation in the Imperial Valley CA. This force account work has provided farmers of Imperial Valley with major work relief jobs. These teams...
Photomicrograph, at 660 magnification, showing a typical nylon thread in cross section. The 17 filaments are almost perfectly round and very smooth. This represents a thread used in sheer stockings and fine knit goods.
This diagram shows a typical surface cross section as it might appear, magnified many thousands of times, under an electron microscope. The surface might be that of a fiber, or of a painted wall, or even wall paper. In Line No. 1, rough soil...
Section of calendar, capable of turning out millions of yards of plastic coated fabrics a year at the Newburgh plant in New York. This calendar, which weighs 175 tons was placed in operation in 1957.
This image shows a section of the vat color chemical control laboratory at the dye works. Vat colors are the fastest coloring agent known to modern science and are used on cotton, viscose process rayon and linen. In general, these colors are the...
This one of the laboratories in the Pathology Section of the Haskell Laboratory for Toxicology and Industrial Medicine at Newark, Delaware. This section was organized in 1950 to study the effect on men of the environment in which they work.
This scene shows part of the loading of large cartridges of DuPont 60% gelatin dynamite in the Susquehanna River near Marietta, Pennsylvania. The cartridges were five inches in diameter, 24 inches long and weighed 25 pounds each. The illustration...
A bias cross section of Cordura rayon sailcloth as used in the quadrilateral jib of Americas 1937 cup defender, Ranger, magnified sixty times y the microscope.
Civil action no. 49 C 1071, filed June 30, 1948, United States District Court for the Northern District of Illinois, Eastern Division, brought under Section 4 of the Act of Congress, July 2, 1890, entitled "An act to protect trade and commerce...
