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  • All fields: valves
(80 results)



Display: 50

    • History of Denver

    • Comprehenisve study of the history of the Denver area before, during, and after the founding of the city.
    • Smiley, Jerome C. (Jerome Constant), 1858-1924.
    • 1901
    • Main pipe, distribution pipes and tank

    • View of the main pipe, valves, and water tank, part of a placer mining operation near Gold Run, California.
    • Houseworth, Thomas, 1829-1915.
    • [between 1874 and 1886]
    • Miners in a shaft house

    • Miners pose in a shaft house near side and center crank engines. Other machinery includes flywheels, gauges, and valves.
    •  
    • [between 1970 and 1980]
    • Great Western Sugar Co. Fort Collins

    • Interior view of the Great Western Sugar Plant in Fort Collins (Larimer County), Colorado; teenage boys pose by pipes and valves.
    •  
    • [between 1890 and 1810?]
    • Great Western Sugar Co. Fort Collins

    • Interior view of the Great Western Sugar Plant in Fort Collins (Larimer County), Colorado; men pose among pipes, valves, and tanks.
    •  
    • [between 1890 and 1810?]
    • Batteries, sugar factory, Greeley, Colorado

    • Workers stand around the equipment in the Great Western Sugar factory in Greeley, Colorado in Weld County. Valves with large, metal handles surround a metal grate. A large shaft connects a duct in the ceiling to one in the floor.
    • Dickerson, A. E.
    • [between 1902 and 1920?]
    • Fort Collins, Colorado

    • This interior view of the Great Western Sugar Plant in Fort Collins, Larimer County, Colorado, shows men working among tanks; railings surround pits in the floor; pipes and valves are in the foreground.
    •  
    • [between 1900 and 1910?]
    • Chlorinator at N.S. Marston

    • View of a municipal water chlorination system at Marston Reservoir (North Side) in the Marston Neighborhood of Denver, Colorado; shows a glass bulb, bell jar, valves, pipes, and a reflection in a window.
    •  
    • [between 1930 and 1935?]
    • Chlorinator

    • Interior view of a municipal water chlorination facility in Denver, Colorado; shows chlorine gas tanks, chemical bottles, glass bell jars, trap doors, valves, and a calendar.
    •  
    • 1925 December
    • London Mine - Ingersoll Rand compressor

    • Interior view of an air compressor at the London Mine near Park City (Park County), Colorado; a pin-up girl calendar is by machinery including pipes, a flywheel, gauges and valves.
    • Zellers, Bob.
    • [between 1940 and 1950?]
    • Valve inlet

    • Pumps and valves are on top of a brick platform with a staircase on one side. A large metal pipe leads out of another side of the brick platform.
    •  
    • [between 1930 and 1940?]
    • Fire truck close up

    • View of a fire truck in Denver, Colorado; the vehicle has pinstripes, a lantern, and a chrome nozzle, tank, and valves.
    • Rocky Mountain Photo Company.
    • [between 1930 and 1940?]
    • Southern Colorado State College

    • Chemistry students at the Southern Colorado State College in Pueblo, Colorado, sit on swivel chairs at lab tables with drawers, plugs, valves, and books. Reflector lamps hang from the interior ceiling and a chalkboard is behind the instructor.
    • Schieltz, Melvyn E.
    • 1969
    • Sugar pans, sugar factory, Eaton, Colo. 1902

    • The sugar pans at the sugar factory in Eaton, Weld County, Colorado, are tall wood vats girdled by pipes with valves. Cylindrical hoppers are above the vats, and a balcony is supported by a metal column. Workers pose sitting, standing, or leaning...
    • Dickerson, A. E.
    • 1902
    • Sterilizing Room, Beth Israel Hospital

    • Stainless steel sterilizing machines line the walls of a small room at Beth Israel Hospital in Denver, Colorado. The sterilizing containers have valves and are connected to pipes that run into the walls.
    • Hoefler-Shuler Photo Co.
    • [between 1921 and 1940?]
    • Ready for execution

    • A man poses strapped to a chair in the gas chamber at the State Penitentiary in Canon City, Colorado. He wears pants, belt and shoes; a tube connected to his chest is linked to a stethoscope under a window on the exterior of the unit. The door has...
    •  
    • 1966
    • Railway employee records for Colorado : Volume III

    • Index of Colorado Railway Employee records for the: Atchison, Topeka & Santa Fe Railroad, Colorado & Southern Railway in Denver, Leadville & Gunnison Railway, Denver and Rio Grande Western Railroad , Union Pacific Railway. Information includes name...
    • Sherard, Gerald E. (Gerald Emerson), 1947-
    • 2005
    • State prison boiler room : prisoners doing laundry and playing  cards

    • Black and white convicts at the State Penitentiary in Canon City, Colorado, work in the prison laundry. The interior ceiling is open- beamed, and a riveted metal tank below has pipes, valves and a gauge; men stand on it, hanging clothes to dry....
    • Rhoads, Harry Mellon, 1880 or 81-1975.
    • [between 1920 and 1930?]
    • Engine room, Colo. School of Mines

    • Interior view of the machinery room at the Colorado School of Mines in Golden (Jefferson County), Colorado. Shows a brick room with steel beams, and round, arched and oblong windows. Machinery powered by steam motors, pulleys, belts, wheels,...
    • McClure, Louis Charles, 1867-1957.
    • [between 1915 and 1920?]
    • Engine room, Colo. State School of Mines

    • Interior view of a machinery room at the Colorado School of Mines in Golden (Jefferson County), Colorado. Shows a brick room with steel beams, and round, arched and oblong windows. Machinery powered by steam motors, pulleys, wheels, belts, gauges,...
    • McClure, Louis Charles, 1867-1957.
    • [between 1915 and 1920?]
    • State prison laundry

    • Black and white convicts at the State Penitentiary in Canon City, Colorado, work in the prison laundry. The interior ceiling is open- beamed, and a riveted metal boiler tank below has pipes, valves and a gauge. Men stand on it, hanging clothes to...
    • Rhoads, Harry Mellon, 1880 or 81-1975.
    • [between 1920 and 1930?]
    • Agnes Memorial

    • Interior view of a patient examination room, Agnes Memorial Sanatorium in Denver, Colorado; shows glass cabinets, shelving with medical instruments, jars, bottles, examination table, valves and pressure gauges, iron swivel stools, and a...
    • McClure, Louis Charles, 1867-1957.
    • [between 1904 and 1920?]
    • Gates Rubber Company products

    • Products manufactured by Gates Rubber Company on display. Top row: battery boxes, bumpers, wash rack hose, welding hose, garden hose, handlers, and air hose. Second row: Gates fan belts, water hose, radiator hose, and ball valves. Third row:...
    • Rhoads, Harry Mellon, 1880 or 81-1975.
    • [between 1910 and 1940?]
    • Denver Sewage Disposal Plant

    • View of the chemical building at the Metropolitan Denver Sewage Disposal District (now Metro Wastewater Reclamation District) plant, designed by architect Burnham Hoyt, at 50th (Fiftieth) Avenue and Emerson Street in Denver, Colorado. Shows pipe...
    • Hedrich-Blessing (Firm)
    • [1937]
    • Denver Sewage Disposal Plant

    • View of the chemical building at the Metropolitan Denver Sewage Disposal District (now Metro Wastewater Reclamation District) plant, designed by architect Burnham Hoyt, at 50th (Fiftieth) Avenue and Emerson Street in Denver, Colorado. Shows pipe...
    • Hedrich-Blessing (Firm)
    • [1937]
    • Screen house

    • Shows the screen house at the Denver Sewage Disposal Works Plant located on 50th (Fiftieth) and Emerson Street in Denver, Colorado. The brick industrial style building is on a raised brick platform. Steps on one side of the building lead to three...
    •  
    • [between 1930 and 1940?]
    • Judge.

    •  
    •  
    • [1909]; 1909
    • 1929 Denver Householders' Directory and Street and Avenue Guide v.5

    • The Denver Householder Directory started in 1924 and has been continued by other publishers right up to the present. These are arranged by address, allowing you to find out who was living in the house and/or the owner or the name of a business.
    •  
    • 1929
    • 1931 Denver Householders' Directory and Street and Avenue Guide v.7

    • The Denver Householder Directory started in 1924 and has been continued by other publishers right up to the present. These are arranged by address, allowing you to find out who was living in the house and/or the owner or the name of a business.
    •  
    • 1931

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