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  • All fields: monitor
(888 results)



Display: 50

    • Tonopa shops

    • The Tonopa machine shop in Breckenridge, Colorado, some three hundred feet long, is a corrugated tin and frame structure with a monitor roof. A dock along the length of the building has snow on it; a large flywheel is half exposed above the ground...
    •  
    • [between 1910 and 1920?]
    • Intensive Care Unit

    • View of a room in the Intensive Care Unit at General Rose Memorial Hospital (Rose Medical Center) in Denver, Colorado. A cardiac monitor sits on a shelf next to a hospital bed. A blood pressure monitor is mounted on the wall. Sun shines through the...
    •  
    • [between 1960 and 1970?]
    • Diagnostic equipment

    • Interior view of a room filled with medical diagnostic equipment at General Rose Memorial Hospital (Rose Medical Center) in Denver, Colorado. A large piece of equipment, probably an x-ray machine, is mounted on an examination table. A monitor,...
    •  
    • [between 1960 and 1970?]
    • East High spotlight: vol 29 no 13

    • Newspaper produced by East High School of Denver, Colorado. Included in the paper are photographs of students, articles on school events and sports.
    • East High School (Denver, Colo.)
    • 1943 May 27
    • Hydraulic, gold mining, Alder Gulch near Virginia City

    • Miners monitor the flow of water through hoses and sluice boxes in Alder Gulch, Madison County, Montana. Water from the top of the gulch and from a monitor nozzle erodes the soil of the hill.
    • Jackson, William Henry, 1843-1942.
    • [1871]
    • Steven's Hydraulic Mines, near Oro City

    • Miners stand near Steven's Hydraulic Mine near Oro City (Leadville), Lake County, Colorado. The men use a hydraulic nozzle or monitor to spray water into the mine pit.
    •  
    • 1877
    • Placer mining Leadville

    • Miners stand near a hydraulic nozzle or monitor as they survey a placer mining operation near Leadville, Lake County, Colorado.
    • Luke, Wellington O.
    • [between 1882 and 1889]
    • Hydraulic mining Leadville

    • A miner stands in a ravine and aims a hydraulic nozzle or monitor as part of a placer mining operation near Leadville, Lake County, Colorado.
    •  
    • [between 1880 and 1890]
    • Colorado State College students

    • Proctors monitor an examination of students in Gunter Hall at Colorado State College (also known as the University of Northern Colorado and formerly known as the State Normal School, Colorado State Teachers College, and Colorado State College of...
    • Walters, Bob.
    • 1961 August 22
    • Hydraulic mine operation

    • Miners run a "Little Giant" monitor, aiming a jet of water at excavated embankments. The machine has a rock-weighted counterbalance.
    •  
    • [between 1890 and 1920?]
    • Boulder Milling & Elevator Company

    • Mill buildings in Boulder, Colorado, are of brick and corrugated tin, and have gable, flat, mansard (with dormers), or monitor roofs. Full burlap sacks, brooms, and bales of straw are on the wooden dock, fronted by bare trees with stumps painted...
    •  
    • [between 1890 and 1900?]
    • Great Western Sugar Company's beet sugar factory at Brighton, near Denver

    • The Great Western Sugar Company plant in Brighton, Colorado is a four-story brick factory with paned, floor to ceiling windows and a cylindrical brick smokestack towering next to it. Letters on the flat topped monitor roof spell the company's name....
    • Rocky Mountain Photo Company.
    • [between 1920 and 1940]
    • Green Mountain Mill Cunningham Gulch

    • View of Green Mountain Mill in Cunningham Gulch, San Juan County, Colorado; shows a mine ore processing building with smokestacks and a monitor roof.
    •  
    • [between 1930 and 1940?]
    • Georgetown, Colorado

    • View of a commercial street in Georgetown (Clear Creek County), Colorado. Wooden false front buildings are on a snow covered street. Shows a building with a round window and a monitor on the roof, a stable with an open door and a hay loft. Utility...
    •  
    • [between 1880 and 1890?]
    • The Brush sugar factory

    • The brick, three and four story buildings of the Brush sugar factory, in Brush, Morgan County, Colorado, have a smokestack behind them. One building has canvas awnings over the windows, monitor roofs, and stepped pediments.
    •  
    • [between 1910 and 1920]
    • Street opposite McClure house

    • Men lounge in spindle chairs and on the fence lining the sidewalk in Canon City, Colorado. Frame, gable roofed businesses and trees flank them; a sign over hanging blankets reads: "Monitor-".
    •  
    • [between 1890 and 1900?]
    • Grant Smelter Leadville

    • View of the frame buildings of the Grant Smelter in Leadville, Lake County, Colorado; shows tailings, a hydraulic mining claim with a tent, miners and a monitor nozzle.
    • Jackson, William Henry, 1843-1942.
    • [between 1882 and 1900?]
    • Gold mining - Granite, Colorado

    • View of placer gold mine in the Arkansas River flood plain, Granite, Chaffee County, Colorado; shows a miner running a hydraulic 'monitor' nozzle. Embankments and hills are in the background.
    • Erdlen, C. W.
    • [between 1890 and 1900?]
    • Spanish Gulch Costilla County

    • Spanish Gulch gold placer mine, in the Grayback District, Costilla County, Colorado, consists of a stream contained by a wood flume; miners work the area with shovels. A man in the foreground runs a hydraulic "monitor" nozzle with a rock...
    •  
    • 1896
    • Placer mining at Alma Colo

    • Gold miners pose at a hydraulic mine in Alma, Park County, Colorado; bluffs in the background have erosion and falling water. Jets of water issue from "monitor" nozzles; a swivel crane is to the side.
    • Miller, T. C.
    • [between 1880 and 1900?]
    • Placer mining Alma Colo

    • Gold miners pose at a hydraulic mine in Alma, Park County, Colorado; bluffs in the background have erosion and falling water. A jet of water issues from a "monitor" nozzle; a flume is in the foreground.
    • Miller, T. C.
    • [between 1880 and 1900?]
    • Miners with monitor nozzle

    • Miners use a monitor nozzle at a Cottonwood Placer Company operation in Montrose County, Colorado.
    • McKee, Thomas Michael, 1854-1939.
    • 1897 July 16
    • Hydraulic mining, Park County

    • View of a gold placer mine in Park County, Colorado; shows a steam [?] powered crane with lettering: "Snowstorm Hydraulic Co.," and a boulder in its grasp. Across a stream, on tailings, a miner runs a "monitor" nozzle.
    •  
    • [between 1880 and 1900?]
    • Pike's Peak R. R.

    • Exterior view of the Pikes Peak Cog Railway Maintenance shop in Manitou Springs, Colorado, looking west, from the fork in the tracks. The shop is a wooden structure, with a monitor roof. On the right is a stone wall, and on the left, a man with...
    • Meigs & Barber.
    • [between 1891 and 1900?]
    • Early placer mining Breckenridge Colo

    • View of a hydraulic gold mine in Breckenridge, Summit County, Colorado; shows eroded embankments, falling water, jets of water from "monitor" nozzles, sluices, flumes, a crane, and miners. Mountains are in the background.
    •  
    • 1880?
    • Sts. John, Colorado smelter

    • At Saints John, Summit County, Colorado, the smelter is comprised of frame and log buildings, a flume, and a masonry structure with a square stack. Smoke issues from a chimney on a monitor roof, firewood is piled throughout, and a round shed with a...
    •  
    • [between 1870 and 1880?]
    • Sugar factory - Monte Vista

    • View of a sugar beet processing facility in Monte Vista (Rio Grande County) Colorado; features a smokestack, monitor roof, and a steel frame shed.
    •  
    • [between 1900 and 1920?]
    • Monte Vista Sugar Factory

    • The sugar factory in Monte Vista, Rio Grande County, Colorado, is a six-story brick building with monitor roofs, a smokestack, and arched windows. Tracks of the Denver & Rio Grande Western railroad are in the foreground.
    •  
    • 1911
    • Opening day, beet-sugar factory Monta Vista Colo.

    • The sugar factory in Monte Vista, Rio Grande County, Colorado, is a six-story brick building with monitor roofs, a smokestack, and arched windows. Stepped pediments finish the ends of the cross gabled metal roof, and smaller outbuildings are to the...
    • Davis, O. T.
    • November 15, 1911
    • Opening day, beet-sugar factory Monta Vista Colo.

    • The sugar factory in Monte Vista, Rio Grande County, Colorado, is a six-story brick building with monitor roofs, a smokestack, and arched windows. Power poles line the dirt thoroughfare, busy with pedestrians, horses, buggies, and soft top...
    • Davis, O. T.
    • November 15, 1911
    • Nevadaville about 1888

    • View of Nevadaville (Gilpin County), Colorado; shows log dwellings, Quartz Hill, Pozo Mill, a monitor roofed mining facility, firewood, a buckboard, smokestacks, and tailings piles.
    •  
    • 1888?
    • Hydraulic mining, Virginia City, Montana

    • View of a hydraulic mining operation with men with hoses and monitor nozzles, Virginia City, Montana. Shows one story frame buildings and a rock and wood strewn gully.
    • Jackson, William Henry, 1843-1942.
    • between 1872 and 1878
    • Carlin

    • View of Carlin (Elko County), Nevada; men pose by Central Pacific Railroad locomotives and a train. Warehouse sheds with monitor roofs are in the distance.
    • Hart, Alfred A., 1816-1908.
    • [between 1860 and 1870?]
    • Miners and mine buildings

    • Men pose by ore car tracks and a frame building with monitor roof and steam whistle.
    •  
    • [between 1919 and 1930?]

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