Band saws are often used for cutting curves of large radius in Lucite methyl methacrylate resin. Because of the length of band saw blades, they dissipate heat more rapidly than do circular saws. Accordingly, they operate at lower temperatures and...
Written on back: "This huge branch connection, called a trifurcation, at the Yards Creek Pumped Storage Hydroelectric Project in northern NJ was fabricated by Chicago Bridge & Iron Co. using Lukens Penstock Steel. The all-welded, three-way...
Periodicals; Chemical industry; Health care; Petroleum industry; Sculpture; Conservation & restoration; Cranes (Birds); Surgery; Coats; Fashion industry; Textile industry;
Table of Contents: Life-saver in a briefcase; Chronology of a north slope triumph; Restored to glory; Restoration footnotes; A matter of survival; Stopping pain with confidence; Comfort through thick and thin; Night shift renaissance; An idea of...
Table of Contents: Age of speed; New Callao Port works; New decortive art in the bindery ; Moving a million yards of earth; Shoes, sans stables, nails or stitches; Shades in toyland; Frosted foods and Cellophane; Thirty-four years of progress at...
Table of Contents: From vegetable oils; A labor-saving hint from motorists; For pleasant living; News of a new blue; There's no mystery about a diesal; The eyes eat first; Nineteen miles through coal; Garments of DuPont rayon; Thick and thin lead...
The hot lab at the Ford Motor Company is unique and ideally suited for laboratory handling and storing of radioactive isotopes. The double room vault is completely underground and is built of thick concrete. The picture shows the entrance to the...
Close up of south face of Brookhaven Reactor-Through these holes in the south face of the Brookhaven reactor are introduced tons of pure uranium metal. Once in the graphite moderator of the reactor proper, uranium atoms fission, or spilt, in a...
National Steel Corporation, Great Lakes Steel Division, Detroit, Michigan. Continuous caster. At bottom of caster, 98 inch wide by 9-1/2 inch thick slabs are cut into 30 foot lengths
Six types of photopolymer printing plates are now available from DuPont's first plant for Dycril at Parlin, New Jersey. These include the large unexposed plate in the background. This and two other types of thin flexible plates, as shown, are now...
Manufacturing Process of Dynamite including historic methods
Tunnel leads into one of the ten mound shaped buildings which form manufacturing area at DuPont's dynamite plant near Martinsburg, West Virginia. Concrete walls are twice as thick as foundation of well built home. Air conditioning is new feature of...
Caption: "The mammoth vein of the Anthracite measures comes to the surface in a great tilted slab, twenty-five to thirty feet thick, on the south slope of the Locust Mountain. A deep excavation which might contain a section of the Panama Canal has...
Written on back: "View of Testing Laboratory, Lukens Steel Co. showing men at work and test specimens of steel ready to be tested. some specimens of thick plate steel which have been bent are shown in the foreground."
Handwritten on back: "#6: Sequoia bark 14" thick. This is the bark of a comparatively small tree (See #5). Bark of the sequoia sometimes is 2 feet in thickness and of a rather shreddy structure. Its great thickness and fire resisting qualities...