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Passaic Machine Works-Watts, Campbell & Company, is located in Newark, Essex County, New Jersey, United States. The building was added to the National Register of Historic Places on August 13, 1986. Historically, Watts Campbell specialized in building steam engines and in rebuilding old machines.
Gray Marine started in 1892 and was re-branded Gray Motor Company about 1910 by O. Mulford and his partners Paul and David Gray. The engines were also used by Traffic Motor Truck Corporation of St Louis, Koehler Truck of New Jersey, Panhard truck, and the Crow-Elkhart car. Prairie Queen tractors also used this engine in 1922. [1]
A mud motor (or drilling motor) is a progressive cavity positive displacement pump (PCPD) placed in the drill string to provide additional power to the bit while drilling. The PCPD pump uses drilling fluid (commonly referred to as drilling mud, or just mud) to create eccentric motion in the power section of the motor which is transferred as ...
In other words, a tool designed to drill directionally with continuous rotation from the surface, eliminating the need to "slide" a mud motor. The first known patent application is from Christopher G. Cross in 1873 for "Drills for Boring Artesian Wells", [ 1 ] followed in 1884 by the brothers Morris and Clarence Baker for a "Machine for ...
309 River Road, Edgewater, New Jersey: Coordinates: Area: 37.2 acres (15.1 ha) Built: 1929: Architect: Albert Kahn: Architectural style: Late 19th And Early 20th Century American Movements, Modern Movement: NRHP reference No. 83001507 [1] NJRHP No. 465 [2] Significant dates
A magnetometer gives serious evidence that the Alligator Jr., a prototype craft that led to the U.S. submarine fleet, may have been found.
The factory began operations in 1955, and was closed in 1980. It was one of three manufacturing facilities in New Jersey. It was built two years after the Edison Assembly plant opened and would eventually replace the Ford Motor Company Edgewater Assembly Plant which closed in 1955.
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