Table of Contents: Under -the-hood problem-solvers; Slick bottoms are tops; Unbreakable breaking boards; Wheels a-whirling; Paper power; Opportunity in oil; Toast to a healthier planet; Gold medal performance; School of fish preparation; Returned...
"A momentary burst of lights unequalled in the annals of photography turns night into day for this history making picture marking the centennial of the world famous Horseshoe Curve of the Pennsylvania Railroad, an engineering marvel to this day and...
A momentary burst of lights unequalled in the annals of photography turns night into day for this history making picture marking the centennial of the world famous Horseshoe Curve of the Pennsylvania Railroad, an engineering marvel to this day and...
Armco Steel Corporation, Ashland, Kentucky, Furnace area of the No. three coating line. Here the steel strip receives the proper surface preparation innediately prior to its entrance into the molten zinc or aluminum.
Correspondence regarding Smith's preparations to make sail from Virginia to Wilmington on the US Steamer "Augusta" under Captain Corbin; mentioned are Smith's sister, who is ill and cannot finish a painting for Mrs. DuPont's sister, the Fair at...
In this photograph the operator is shown tying nylon hanks in preparation for cutting the filament into short bristle length, bundles of which are later fed into automatic machines for bristling tooth and hair brushes. Photograph taken at the...
Many of the qualities of nylon which make it so outstandingly suitable for brush bristles of all kinds, sutures, fishing leaders and tennis strings are dependent upon the step of drawing or stretching the filament after it has been formed by the...
This photograph shows the inspection of a hank of finished nylon which is ready for use as bristles in tooth, hair and industrial brushes. On either side of the hank which is being inspected are hanks which have been tied up in preparation to being...
This photograph shows the inspection of a hank of finished nylon which is ready for use as bristles in tooth, hair and industrial brushes. On either side of the hank which is being inspected are hanks which have been tied up in preparation to being...
Many of the qualities of nylon which make it so outstandingly suitable for brush bristles of all kinds, sutures, fishing leaders and tennis strings are dependent upon the step of drawing or stretching the filament after it has been formed by the...
In this photograph the operator is shown tying nylon hanks in preparation for cutting the filament into short bristle length, bundles of which are later fed into automatic machines for bristling tooth and hair brushes. Photograph taken at the...
Weighing liquid ingredients in preparation for loading one of the roller mills in the manufacture of paint at the Philadelphia Plant of the DuPont Company.
The principal research facilities of DuPont�s Electrochemicals Department are housed in this multimillion dollar lab at the company's Experimental Station. The building has 59 lab modules and offices, together with several large sample...
Illustrates all principal buildings of the exposition, some of the smaller pavilions, tramways, parks, gardens, illuminated fountains, and the Eiffel Tower. This may be the fullest published record of the layout and architecture of the 1889...
Caption: "The mine cars which carry newly mined Reading Anthracite from the working places to the surface of preparation pass through these tracked tunnels beneath the surface. The gangways are maintained as carefully as is the way on any railroad."
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...
Caption: "Large pieces of rock or other impurities are pushed into the side chute to be dumped on the refuse bank and coal passes on for further cleaning and preparation."
