Letterbooks, 1844-1878.

Delaware and Hudson Canal Company

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Clark, Edward W., 1828-1904

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Cohen, Mendes, 1831-1915

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Civil and mechanical engineer and railroad executive. Mendes Cohen was born in Baltimore on May 4, 1831. He received his mechanical training in the works of Ross Winans (1847-1851), the builder of early locomotives. From 1851 to 1855 he worked for the Baltimore & Ohio Railroad Company, chiefly in the Motive Power Department. He worked on the adaptation of wood-burning locomotives to coal-burning and devised the method for handling traffic on the 10% temporary grade o...

Cox, James S. (James Sitgreaves), 1822-1901

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Mauch Chunk Railroad.

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Cox, James, 1798-1862

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Mansion House Hotel Company (Mauch Chunk, Pa.).

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Roebling, John Augustus, 1806-1869

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John A. Roebling emigrated to New Jersey from Germany in 1831, abandoned farming, and returned to his profession of engineering. He moved to Trenton, N.J., in about 1848 and built a steel wire plant, operated as John A. Roebling's Sons Company. John A. Roebling designed many bridges and was the chief engineer of the Brooklyn Bridge. From the description of John A. Roebling letter to Elias Calkin & Co., 1850 May 25. (Pennsylvania State University Libraries). WorldCat record id: 73...

Archbald, James, 1793-1870

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James Archbald was born in Ayrshire, Scotland on March 3, 1793 and at the age of fourteen, immigrated to America with his parents. In 1817 he became a contractor on the Erie Canal and worked with John Jervis. Jervis appointed Archbald as an engineer on the Delaware and Hudson Canal which opened in 1828. He became the superintendent of works and played a prominent role in the engineering of the gravity railroad and in coal mining operations. In 1848 he was hired by the Pennsylvania Coal Company t...

Lehigh and Susquehanna Railroad.

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Lehigh Coal and Navigation Company

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The surge of investment that filled the Anthracite region of northeastern Pennsylvania in the mid-1700s did not reach the Lehigh Valley until 1791 when coal was found near Summit Hill, west of Mauch Chunk, leading to the formation of the Lehigh Coal Mines Company. Coal was floated downriver on wooden rafts known as arks, which were dismantled and sold as lumber upon arrival. Flooding, shallow water and swift currents created financial problems for the company until Josiah White, familiar with ca...

Douglas, Edwin A., 1805-1859

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White, Josiah, 1781-1850

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Josiah White was the builder of the first major economically operating canal in North America used to bring coal to Philadelphia from Lehigh as well as an inventor and designer of a school system based on manual labor. From the description of Papers, 1796-1949. (Haverford College Library). WorldCat record id: 32198185 Josiah L. White was a partner in the firm Scolley & White. The company performed carpentry and cabinet-work in Newton and later, Ashburnham, Ma. ...

Hazard, Erskine, 1789-1865

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