This glass blower at DuPont's Eastern Lab in Gibbstown, New Jersey depends on fire, fueled with oxygen and gas, to make lab glassware. The flam on his Bunsen burner can be regulated from needle point to 1.5 inches.
A chemical test at the DuPont Company's Eastern Laboratory in Gibbstown New Jersey determines moisture content in dynamite ingredients. Here a chemist boils a sample with carbon tetrachloride and measures the amount of water. At Eastern Laboratory,...
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...
This building , used as a laboratory at the Repauno dynamite plant, Gibbstown, New Jersey was forerunner of DuPont Company's first formal research unit, the Eastern Laboratory, established in 1902 at Gibbstown. Lammot du Pont, father of the three...
The Explosives Department's Eastern Laboratory (foreground) at Gibbstown, New Jersey. The winding road in the center of the photograph running to the dock divides the laboratory from the Repauno Works. This pioneer research laboratory, one of the...
New organic research building at the Eastern Laboratory of the DuPont Company at Gibbstown, New Jersey increases facilities for studies in the field of organic chemistry. Aim of the work is to develop new processes and products.
Collection guide; Electric utilities and appliances; Insurance and financial industry
Collection guide for the records of the Pennsylvania Power & Light Company (PP&L). Records document the history of the gas and electric utility industry in eastern Pennsylvania in the years between 1853 and 1955. The collection includes both the...
Source of Eastern Brandywine River on Bert Paup's property in the foothills of Welsh Mountain, two miles from Honey Brook, Pennsylvania. One of eleven springs in the area forming a brook which flows to the Delaware River.
Bert Paup lives in a rural area in the foothills of Welsh Mountain - he pointed out [to Frank Zebley] various springs in the area. His property contains Squash Spring, source of the Eastern Brandywine River.
Bert Paup lives in a rural area in the foothills of Welsh Mountain - he pointed out [to Frank Zebley] various springs in the area. His property contains Squash Spring, source of the Eastern Brandywine River.
200 feet to the right of Squash Spring is Bert Paup's spring with roof where he gets his water. Various other springs are on his and adjacent properties in the area. Water from the springs form a brook, which becomes the Eastern Brandywine River...
Bert Paup lives in a rural area in the foothills of Welsh Mountain - he pointed out [to Frank Zebley] various springs in the area. His property contains Squash Spring, source of the Eastern Brandywine River.