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Plumbing -- Periodicals., Sanitary engineering -- Periodicals., Heating -- Periodicals., Metal trade -- Periodicals.
Technology--Periodicals, Industrial arts--Periodicals
Fuel trade--Periodicals., Coal trade--Periodicals.
Coal - vol.3
Coal trade -- Periodicals.
A Journal Devoted to the Coal Industry
Plumbing -- Periodicals., Sanitary engineering -- Periodicals., Heating -- Periodicals., Metal trade -- Periodicals.
Metal-work -- Periodicals., Steel industry and trade -- Periodicals.
Organ of the American Drop Forge Association, 1914-Apr. 1916.
Mechanical Drawing -- Periodicals
Periodical devoted to mechanical drawing
Plumbing -- Periodicals., Sanitary engineering -- Periodicals., Heating -- Periodicals., Metal trade -- Periodicals.
Elk County (Pa.)--Newspapers, St. Marys, Pa.
The Daily Press Newspaper covering St. Marys, PA
Ell County (Pa.)--Newspapers, St. Marys, Pa.
The Daily Press Newspaper covering St. Marys, PA
Coal mines and mining -- Periodicals., Mineral industries -- Periodicals.
Technology -- Periodicals., Industrial arts -- Periodicals., Engineering -- Periodicals.
A Weekly Journal Of Engineering And Mechanical Progress
Lititz (Pa.) -- Newspapers, Lancaster County (Pa.)—Newspapers
Lititz newspapers 1877-2001
Frank S. Betz Company--Catalogs, Medical instruments and apparatus--Catalogs, Medical instruments and apparatus industry--Catalogs, Commercial catalogs
Metal-work -- Periodicals., Steel industry and trade -- Periodicals.
Organ of the American Drop Forge Association, 1914-Apr. 1916.
Steel industry and trade -- Periodicals., Metallurgy -- Periodicals.
Published Monthly in the Interests of the Men Who Produce Iron and Steel
United States Steel Corporation -- Corrupt practices., Tennessee Coal and Iron Company -- Corrupt practices.: Steel industry and trade -- Corrupt practices -- United States.: Antitrust investigations -- United States.
8 v. ; 23 cm.
Coal mines and mining -- Periodicals., Mineral industries -- Periodicals.
United States Steel Corporation -- Corrupt practices., Tennessee Coal and Iron Company -- Corrupt practices.: Steel industry and trade -- Corrupt practices -- United States.: Antitrust investigations -- United States.
8 v. ; 23 cm.
Technology -- Periodicals., Industrial arts -- Periodicals., Engineering -- Periodicals.
A Weekly Journal Of Engineering And Mechanical Progress