The records consist of photocopies of miscellaneous documents of the Empire Steel and Iron Company, the originals of which are in the possession of the National Canal Museum at Easton, Pa. Most of them seem to have come from the Mount Hope site....
Standing on a pile of many thousands of feet of Delrin acetal resin pipe, an employee of the DuPont Company's pipe plant at Tulsa, Oklahoma easily handles one hundred feet of the two inch diameter plastic pipe which will ultimately find its way...
National Tube Works, Mckeesport, Pennsylvania. Manufacture of lap welded steel pipe, using Bessemer steel. Forming up pipe, ready for welding. The steel skelp is pulled through a set of dies to the round shape ready for the lap welding machine
National Tube Works, Mckeesport, Pennsylvania. Manufacture of lap welded steel pipe, using Bessemer steel. Straightening rolls in which pipe is straightened and smoothed
Stone open top blast furnace. Possibly built in the early to mid 1800's'. A pipe stove is positioned at the charging floor level of the furnace. The pipe leading from the adjacent building is probably the cold blast main feeding the pipe stove. ...
Left of furnace, steep downcomer to boilers, skip hoist behind, to right of furnace downcomer to hot blast stoves, diagonal pipe in lower center hot blast main to bustle pipe, horizontal pipe in center cold blast main from blowing engine. Note...
A technician at DuPont's pipe manufacturing plant at Tulsa, Oklahoma adjusts extrusion equipment as it produces endless footage of Delrin acetal resin pipe for ultimate use by the oil and gas industry. The two inch diameter light weight, corrosive...
National Tube Works, Mckeesport, Pennsylvania. Manufacture of lap welded steel pipe, using Bessemer steel. Drawing illustrating the lap wellding machine in action, The skelp is heated to welding temperature and is pulled through the rolls forcing...
The familiar 'Cel-O-Seal' bottle hood is now protecting open ends of airplane fuel and hydraulic lines, engines ports etc. during assembly and shipping. Operator shows how hoods are used to seal the pipes against dust, rust or sabotage efforts to...
The familiar 'Cel-O-Seal' bottle hood is now protecting open ends of airplane fuel and hydraulic lines, engines ports etc. during assembly and shipping. Operator shows how hoods are used to seal the pipes against dust, rust or sabotage efforts to...
The familiar 'Cel-O-Seal' bottle hood is now protecting open ends of airplane fuel and hydraulic lines, engines ports etc. during assembly and shipping. Operator shows how hoods are used to seal the pipes against dust, rust or sabotage efforts to...
This scene shows pipe for the Big Inch oil line being unloaded beside the Susquehanna River at Marietta, Pennsylvania. About sixty thousand pounds of DuPont 60% gelatin dynamite were used to blast a trench 2,000 feet long and eight feet deep in the...
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...
