EXTERIOR OVERVIEW, LOOKING NORTH, OF THIS 400' DEEP LIMESTONE QUARRY PIT ("THE OLD PIT") WITH LEDGE PREPARED FOR LIMESTONE EXTRACTION. AN ELEVEN-HOLE SHOT WILL DISLODGE APPROXIMATELY 25,000 TONS OF LIMESTONE WHICH, AFTER ...

EXTERIOR OVERVIEW, LOOKING NORTH, OF THIS 400' DEEP LIMESTONE QUARRY PIT ('THE OLD PIT') WITH LEDGE PREPARED FOR LIMESTONE EXTRACTION. AN ELEVEN-HOLE SHOT WILL DISLODGE APPROXIMATELY 25,000 TONS OF LIMESTONE WHICH, AFTER ...

Conservation. Scrap iron and steel. Waste materials from heaps such as these are a rich source of scrap materials for conversion into vitally needed defense material. Efforts are now being made to ...

Conservation. Scrap iron and steel. Waste materials from heaps such as these are a rich source of scrap materials for conversion into vitally needed defense material. Efforts are now being made to ...

Conservation. Scrap iron and steel. Waste materials from heaps such as these are a rich source of scrap materials for conversion into vitally needed defense material. Efforts are now being made to ...

Conservation. Scrap iron and steel. Waste materials from heaps such as these are a rich source of scrap materials for conversion into vitally needed defense material. Efforts are now being made to ...

Conservation. Scrap iron and steel. Waste materials from heaps such as these are a rich source of scrap materials for conversion into vitally needed defense material. Efforts are now being made to ...

Conservation. Scrap iron and steel. Waste materials from heaps such as these are a rich source of scrap materials for conversion into vitally needed defense material. Efforts are now being made to ...

Anaconda smelter, Montana. Anaconda Copper Mining Company. Classifier which removes the slimy material from the granular material after it has passed through the ballmills; the slimy material is removed and the granular ...

Visual materials from the National Association for the Advancement of Colored People records (Library of Congress)

108. View showing storage yard where material is received and sorted: also shows derrick framed to raise material from tracks and land on deck of approach. Material is then moved by narrow ...

Production. Aircraft. An engineer in the laboratory of a large Western aircraft plant tests a standard Army weld sample. At irregular intervals every welder working on Army contract material must make the ...

New York, New York. Editor Griswold of the Office of Production Management (OPM) News meeting with Navy officials. They are, left to right: Lieutenant Commander E.U. Rinehart, U.S. Naval Reserve, senior naval ...

An Ohio manufacturer is looking for two and thirteen-sixteenths inch and three and three-sixteenths inch automatic screw machine facilities for the machining of large quantities of steel fuse parts. Item: inner can. ...

Ben Bow chromite mill, Stillwater County, Montana. Classifiers are used to separate the slimy material from the coarser material; this coarser material is returned to the Hardinge ball-mills for further treatment

Ben Bow chromite mill, Stillwater County, Montana. Classifiers are used to separate the slimy material from the coarser material; this coarser material is returned to the Hardinge ball-mills for further treatment

All dresses shall consist only of cloth sufficient for the body basic and the trimming allowance. The trimming allowance for non-transparent materials shall be limited to 700 square inches for all sizes, ...

All dresses shall consist only of cloth sufficient for the body basic and the trimming allowance (limited to 700 square inches for non-tansparent materials) for all sizes, in excess of that required ...

All fabrics used for collars, ruffs, pockets, spaghetti, bows, peplums, tunics, tiers, aprons, overskirts, ruffles, sleeve trimming, flaps, tabs, leaves, dickies, gilets and any material in addition to the body basic shall ...

Experts at Bureau of Standards study effect of corrosive soils on specimens of pipe. Washington, D.C., Aug. 8. Of interest to home builders the country over is the study being made by ...

TOP