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.
North London Mine (Park County, Colo.)--1940-1950.; Park City (Colo.)--1940-1950.; Air compressors--Colorado--Park City--1940-1950.; Interiors--Colorado--Park City--1940-1950.; Mining--Colorado--Park City--1940-1950.
A man in overalls and boots poses beside dials and gauges in a utility room at Fort Lewis High School (later Fort Lewis College) in Hesperus (La Plata County), Colorado. Shows probably belt-driven power generators on cement blocks.
Fort Lewis High School (Hesperus, Colo.)--People--1910-1920.; Hesperus (Colo.)--1910-1920.; Electric generators--Colorado--Hesperus--1910-1920.; Employees--Colorado--Hesperus--1910-1920.; Schools--Colorado--Hesperus--1910-1920.
Interior view of a Colorado Telephone Company switchboard in the Denver Tramway Company building in Denver, Colorado. Men work at panels with gauges, microphones, speakers, vacuum tubes, and a clock.
View of Chicago & North Western Railway Company tracks and probably an irrigation ditch near the Wapsipinicon River, in probably Clinton County, Iowa. Shows double railroad tracks on a grade, timber telltales (height gauges) near covered railroad...
Chicago and North Western Railway Company--1890-1900.; Clinton County (Iowa)--1890-1900.; Railroad bridges--Iowa--Clinton County--1890-1900.; Railroad tracks--Iowa--Clinton County--1890-1900.
An Aurora Fire Department truck is parked on an unpaved street in front of a plaza in Aurora, Colorado. It has two, large, water tanks with large gauges on top. Three fire extinguishers are on its running boards. The truck has whitewall tires, and...
Aurora (Colo.)--1920-1930.; Fire engines & equipment--Colorado--Aurora--1920-1930.
Interior view of the Daniels and Fisher Stores power generating facility in Denver, Colorado; shows "Ideal" turbines, flywheels, switches, and gauges.
Daniels and Fisher Stores Company--Facilities--1900-1910.; Denver (Colo.)--1900-1910.; Electric generators--Colorado--Denver--1900-1910.; Interiors--Colorado--Denver--1900-1910.
Interior view of the Daniels and Fisher Stores power generating facility in Denver, Colorado; shows turbines, flywheels, switches, gauges, and embossed letters: "Denver Engineering Works."
Daniels and Fisher Stores Company--Facilities--1900-1910.; Denver (Colo.)--1900-1910.; Electric generators--Colorado--Denver--1900-1910.; Interiors--Colorado--Denver--1900-1910.
A miner poses near the hoist in the shafthouse of a mine owned by the Fifty Gold Mines Company near Central City, Gilpin County, Colorado. Other machinery includes a compressor and gauges. A United States flag hangs on the wall. Signs read: "Please...
Fifty Gold Mines Corporation.; Central City (Colo.)--1880-1910.; Hoisting machinery--Colorado--Central City--1880-1910.; Interiors--Colorado--Central City--1880-1910.; Mine buildings--Colorado--Central City--1880-1910.; Miners--Colorado--Central...
Hoistmen, or hoisting engineers, pose in the shaft house of the Cook Mine, owned by the Fifty Gold Mines Company, near Central City, Gilpin County, Colorado. The machinery includes a side crank engine, hoist, gauges, and brake handles.
Fifty Gold Mines Corporation.; Mine buildings--Colorado--Central City--1880-1910.; Central City (Colo.)--1880-1910.; Hoisting machinery--Colorado--Central City--1880-1910.; Interiors--Colorado--Central City--1880-1910.; Miners--Colorado--Central...
Close-up view of the interior of a power plant at the Saratoga Mine near Central City, Gilpin County, Colorado. Machinery includes a side crank engine and gauges.
Central City (Colo.)--1880-1890.; Saratoga Mine (Gilpin County, Colo.)--1880-1890.; Engine rooms--Colorado--Central City--1880-1890.; Hoisting machinery--Colorado--Central City--1880-1890.; Interiors--Colorado--Central City--1880-1890.;...
Interior of a building at the Buell Mine near Central City, Gilpin County, Colorado. Machinery in the building includes and engine with a placard that reads: "Standard Sioux Corliss Engine Murray Iron Works Burlington, Iowa U. S. A.", flywheels,...
Mine buildings--1900-1930.; Mining machinery--1900-1930.; Buell Shaft Mine (Gilpin County, Colo.)--1890-1900.; Central City (Colo.)--1890-1900.; Interiors--1900-1930.; Mining--1890-1900.
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...
Agnes Memorial Sanatorium (Denver, Colo.)--1900-1920.; Denver (Colo.)--1900-1920.; Interiors.
A man poses near a bank of gauges in a building maintenance section of the Denver Public Library in Civic Center Park, Denver, Colorado. A chair and a notice to employees that concerns the Workman's Compensation Act are nearby.
Denver Public Library--Facilities--1930-1940.; Civic Center (Denver, Colo.)--1930-1940.; Denver (Colo.)--1930-1940.; Interiors--Colorado--Denver--1930-1940.; Libraries--Colorado--Denver--1930-1940.
Interior view of a water department facility in (probably) Denver, Colorado; gauges read: "Rate of Filtration Million Gallons Per Day" and "Loss of Head Feet." Catwalks are in the background.
Denver (Colo.)--1920-1930.; Interiors--Colorado--Denver--1920-1930.; Public utility companies--Colorado--Denver--1920-1930.; Waterworks--Colorado--Denver--1920-1930.
View of a "draw" at the Denver and Rio Grande Western yard in Alamosa (Alamosa County), Colorado; used for switching between standard and narrow gauges.
Denver and Rio Grande Western Railroad Company--1950-1960.; Alamosa (Colo.)--1950-1960.; Narrow gauge railroads--Colorado--Alamosa--1950-1960.; Railroad tracks--Colorado--Alamosa--1950-1960.
Laying inside of a soft top truck after his 1947 escape and recapture from the State Penitentiary in Canon City, John Smalley is flanked by crouching men in winter coats. The interior dashboard has "Willy's" embossed in the center over gauges.
Canon City (Colo.)--1940-1950.; Prison escapes--Colorado--Canon City--1940-1950.; Smalley, John.; Colorado State Penitentiary.
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,...
Colorado School of Mines--Facilities--1910-1920.; Golden (Colo.)--1910-1920.; Interiors--Colorado--Golden--1910-1920.; Machinery--Colorado--Golden--1910-1920.; Mechanical systems--Colorado--Golden--1910-1920.; Universities &...
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,...
Colorado School of Mines--Facilities--1910-1920.; Golden (Colo.)--1910-1920.; Interiors--Colorado--Golden--1910-1920.; Machinery--Colorado--Golden--1910-1920.; Mechanical systems--Colorado--Golden--1910-1920.; Universities &...
Students pose in the metallurgical laboratory at the Colorado School of Mines in Golden (Jefferson County), Colorado. The men pose near workbenches with gauges and metal discs, a portable kiln or furnace is mounted on casters, a metal gas tank sits...
Colorado School of Mines--Facilities--1910-1920.; Metallurgy--Colorado--Golden--1910-1920.; Golden (Colo.)--1910-1920.; Classrooms--Colorado--Golden--1910-1920.; Interiors--Colorado--Golden--1910-1920.; Laboratories--Colorado--Golden--1910-1920.;...
At the National Bureau of Standards in Boulder, Colorado, John Milton targets a rolling graph paper with a mechanical pencil. The date on the paper is: "Jul 23 1968." The glass, metal, and rubber gasket cover is opened, and the surrounding metal...
Boulder (Colo.)--1960-1970.; Computers--Colorado--Boulder--1960-1970.; Milton, John.; United States. National Bureau of Standards.
Robert W. Knecht and Wynne Calvert look at a computer at the National Bureau of Standards in Boulder, Colorado. It has gauges, knobs, buttons, toggle switches, metal tape reels, speakers, and a hand-held microphone. Printed words on it read: "time...
Boulder (Colo.)--1960-1970.; Computers--Colorado--Boulder--1960-1970.; Calvert, Wynne.; Knecht, Robert W.; United States. National Bureau of Standards.
Denver and Rio Grande Western locomotives (narrow and standard gauge) and a idler car sit in Montrose (Montrose County) Colorado. Numbers read: "784" and "454."
Denver and Rio Grande Western Railroad Company--1950-1960.; Montrose (Colo.)--1950-1960.; Railroad locomotives--Colorado--Montrose--1950-1960.
Denver and Rio Grande Western narrow and standard gauge cabooses wait in the yard at Alamosa (Alamosa County), Colorado; letters read: "0503," and "01167;" Mount Blanca is in the distance.
Denver and Rio Grande Western Railroad Company--1950-1960.; Alamosa (Colo.)--1950-1960.; Narrow gauge railroads--Colorado--Alamosa--1950-1960.; Railroad cabooses--Colorado--Alamosa--1950-1960.; Railroad shops & yards--Colorado--Alamosa--1950-1960.
Denver & Rio Grande Western Railroad Company locomotives #1229 (standard gauge), with freight cars, and #454 (narrow gauge) wait in the yard at Montrose (Montrose County), Colorado. A man is by a shed. Railroad signals are in the yard.
Denver and Rio Grande Western Railroad Company--1950-1960.; Montrose (Colo.)--1950-1960.; Railroad locomotives--Colorado--Montrose--1950-1960.; Railroads--Colorado--Montrose--1950-1960.; Sheds--Colorado--Montrose--1950-1960.
Denver and Rio Grande Western Railroad Company mixed gauge locomotives vent smoke, by storage tanks and the roundhouse, in the yard at Alamosa (Alamosa County) Colorado.
Denver and Rio Grande Western Railroad Company--1950-1960.; Alamosa (Colo.)--1950-1960.; Narrow gauge railroads--Colorado--Alamosa--1950-1960.; Railroad locomotives--Colorado--Alamosa--1950-1960.
Denver and Rio Grande Western locomotive 1202 (2-8-2 standard gauge) and 318 (2-8-0 narrow gauge) vent steam at Montrose (Montrose County), Colorado.
Denver and Rio Grande Western Railroad Company--1950-1960.; Montrose (Colo.)--1950-1960.; Narrow gauge railroads--Colorado--Montrose--1950-1960.; Railroad locomotives--Colorado--Montrose--1950-1960.
Denver and Rio Grande Western standard gauge locomotive 454 (2-8-2), with The Mountaineer passenger train, and narrow gauge locomotive 784 (4-6-0), with five freight cars, wait at the depot in Montrose (Montrose County), Colorado. Tanks are in the...
Denver and Rio Grande Western Railroad Company--1950-1960.; Montrose (Colo.)--1950-1960.; Narrow gauge railroads--Colorado--Montrose--1950-1960.; Railroad locomotives--Colorado--Montrose--1950-1960.; Railroads--Colorado--Montrose--1950-1960.