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  • All fields: retort
(372 results)



Display: 50

    • Continental Oil Shale and Refining Co., Rio Blanco Co.

    • View of Continental Oil Shale and Refining Company corrugated metal-sided buildings and a brick retort in Rio Blanco County, Colorado. A sign on timber scaffolding near a ladder reads: "The Colorado Continuous Retort, Patent applied for," and a...
    •  
    • [between 1900 and 1920?]
    • Continental Oil Shale Co. plant under construction

    • View of the brick smokestack and timber scaffolding of a Continental Oil Shale Company retort in Rio Blanco County, Colorado. Shows metal parts for the retort, scraps of wood, and snow on the ground nearby.
    •  
    • [between 1900 and 1920?]
    • Brown Retort

    • Men examine a Brown retort under construction at an oil shale processing facility at the Index Shale Oil Company in De Beque (Mesa County) Colorado; part of the retort is in a shed.
    •  
    • [between 1920 and 1922?]
    • Central City First National Bank, Colorado

    • A map hangs on the wall behind the man in the right midground. A "Checks" window stands in the left midground.; Two men stand near the "Gold" window inside the First National Bank at the corner of Eureka and Main streets in Central City, Colorado....
    • Lake, Harry H., 1860-1952.;
    • [between 1910 and 1920?]
    • Mt. Logan retort Simplex

    • View of an oil shale processing facility (a retort) near De Beque (Mesa County) Colorado; shows sheds, ore cables, chutes, and pipes on a hillside.
    •  
    • [between 1900 and 1920?]
    • Index Co., De Beque, Brown retort

    • View of an oil shale processing facility (a retort) near De Beque (Mesa County) Colorado; shows sheds, tanks, men by a cabin, and the Roan Cliffs.
    •  
    • [between 1900 and 1920?]
    • Harry Brown - Brown Retort

    • Harry Brown poses in an oil shale processing facility at the Index Shale Oil Company in De Beque (Mesa County) Colorado; he poses beside a Brown retort (he is probably the inventor) that consists of a hopper, rotating tanks, and exhaust stacks.
    •  
    • [between 1920 and 1930?]
    • Retort, Colo. State School of Mines

    • Interior view of probably an experimental petroleum distillery at the School of Mines in Golden (Jefferson County), Colorado. Shows a brick furnace with boilers mounted on top, insulated pipes and steel pipes that empty into a retort, a wooden...
    • McClure, Louis Charles, 1867-1957.
    • [between 1915 and 1920?]
    • Retort, Colo. State School of Mines

    • Interior view of probably an experimental petroleum distillery at the School of Mines in Golden (Jefferson County), Colorado. Shows a brick furnace with boilers mounted on top, insulated and steel pipes that empty into a retort, a wooden ladder,...
    • McClure, Louis Charles, 1867-1957.
    • [between 1915 and 1920?]
    • Oil shale plant beside Colorado River

    • View of the oil shale demonstration plant beside the Colorado River near Rifle (Garfield County), Colorado. Smoke rises from smokestacks of the multi-story building, probably an oil shale retort. Denver and Rio Grande tracks are beside the river,...
    • Beam, George L. (George Lytle), 1868-1935.
    • [between 1915 and 1930?]
    • Blackhawk

    • Interior view of the Fifty Gold Mines Corporation assay laboratory, in Blackhawk, Gilpin County, Colorado; shows a man with water hoses and a brick retort furnace; tongs and crucibles are on a table. The bucket is for collecting mercury used in the...
    •  
    • [between 1906 and 1910?]
    • Old Time Assayers Office, Cripple Creek, Colo

    • Interior view of a mine assay laboratory in Cripple Creek, Colorado; shows a brick retort furnace, washtubs, buckets, a shovel, pulleys and drive belts.
    • Sanborn (Colo.)
    • [between 1880 and 1900?]
    • Continental Oil Shale and Refining Co., Rio Blanco Co.

    • Close-up view of the brick smokestack and timber scaffolding of a Continental Oil Shale and Refining Company retort in Rio Blanco County, Colorado. Shows pulleys or hoisting devices and ladders above a corrugated metal roof.
    •  
    • [between 1900 and 1920?]
    • Continental Oil Shale and Refining Co., Rio Blanco Co.

    • View of probably an oil shale retort with a brick smokestack and timber scaffolding in Rio Blanco County, Colorado. Shows ladders above a corrugated metal roof and a sign on the building that reads: "Continental Oil Shale Mining & Ref'g Co." A...
    •  
    • [between 1910 and 1930?]
    • Continental Oil Shale and Refining Co.

    • View of a plant of the Colorado Oil Shale Mining & Refining Company near a layered shale cliff near Rifle in Rio Blanco County, Colorado. Shows the brick smokestack of probably a retort, timber scaffolding, ladders, pulleys, and hoists. A man...
    •  
    • [1920 August]
    • DeBeque

    • View of oil shale processing facilities at the Index Shale Oil Company in De Beque (Mesa County) Colorado; also shows a retort with machinery, pipes, and sheds.
    •  
    • [between 1920 and 1930?]
    • Plant of the Index Shale Oil Co., De Beque, Colo.

    • View of the Index Shale Oil Company retort near De Beque (Mesa County), Colorado; cliffs of Mount Blaine (Mount Index) are behind sheds, pipes, and tanks.
    • Beam, George L. (George Lytle), 1868-1935.
    • [between 1920 and 1930?]
    • Oil Shale process

    • Men pose with shale oil refining machinery (a retort) in Denver, Colorado; the "Michael Egan" clothing store, at 1243 Larimer Street, is in the background.
    •  
    • [between 1890 and 1910?]
    • Mt. Logan plant

    • View of a shale oil extraction facility in Garfield County, Colorado; sheds, machinery, barrels, hoists, and cable guides are on a steep slope. Roan Cliff formations are in the background.
    • Beam, George L. (George Lytle), 1868-1935.
    • [between 1890 and 1910?]
    • Machine and man

    • A man works on a shale oil retort with pulleys, tanks, pipes, and a drive belt, in (probably) Colorado; a brick building and corrugated shed are in the background.
    •  
    • [between 1910 and 1920?]
    • Shale oil refinery

    • View of a shale oil retort with pulleys, tanks, pipes, and a drive belt, in (probably) Colorado; a brick building and corrugated shed are in the background.
    •  
    • [between 1910 and 1920?]
    • Oil shale refinery

    • Men examine a retort at an oil shale processing facility at the Index Shale Oil Company in De Beque (Mesa County) Colorado; also shows machinery, pipes, and sheds.
    •  
    • 1922 March 24
    • Main portion of plan of Index Shale Oil Co, De Beque, Colo.

    • View of oil shale processing facilities at the Index Shale Oil Company in De Beque (Mesa County) Colorado; shows storage bins, crusher house, and smokestacks.
    • Beam, George L. (George Lytle), 1868-1935.
    • [between 1920 and 1930?]
    • Where the spent shale is discharged

    • A man stands near the oil shale processing facility at the Index Shale Oil Company in De Beque (Mesa County) Colorado, Shows a Brown retort, a conveyor belt elevator for tailings, exhaust stacks, and sheds. The Roan Cliffs are in the distance.
    •  
    • 1922
    • Scales

    • Balance scales and weight sets are in glass cases at the University of Colorado at Boulder. A tall glass retort is in the background, against the interior wall. A box below the bench bears the image of a woman.
    •  
    • 1889

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