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  • All fields: assay
(3313 results)



Display: 50

    • Assay office at Upper Fulford

    • Two abandoned and dilapidated log buildings, one an assay office, are by the side of a two-track road in Upper Fulford, Colorado. The buildings are surrounded by brush, and tall evergreens grow on the hillside behind.
    •  
    • [1960?]
    • Assay office interior

    • Interior view of an assay office and laboratory in Cripple Creek (Teller County), Colorado. Shows laboratory equipment, chemical glassware, tools, typewriter, desk, rotating chair, stools, closet, lamps, cabinets, workbench, funnels and a brick...
    •  
    • [between 1890 and 1910?]
    • Guyot's assay office

    • Illustration depicts Guyot's assay office, Fremont, Colorado prior to incorporation as Cripple Creek; scene includes partial view of one-story log cabin with gable roof, stovepipe and sign on roof stating "Guyot's assay office"; three men stand in...
    •  
    • [between 1960 and 1970]
    • Guyot's Assay Office

    • Men stand and pose in front of the log "Guyot's Assay Office" building in Cripple Creek (Teller County), Colorado. Men wear vests or jackets and hats. One man holds probably a canvas bag; another man holds probably a baseball bat. Shows log cabins,...
    •  
    • [1891?]
    • Fryer Hill

    • Two boys sit on Fryer Hill and look at the Little Pittsburgh Mines office and assay office and the Matchless in Leadville, Lake County, Colorado. Shows frame and log buildings.
    • Jackson, William Henry, 1843-1942.
    • [between 1882 and 1900?]
    • Sts John mine buildings

    • In Saints John, Summit County, Colorado, this two-story log guest house has a rustic porch/balcony, bargeboard, antlers, and external stairs. It is flanked by the foremen's home and the assay office: frame and log buildings.
    •  
    • [between 1880 and 1890?]
    • Cripple Creek, Colo., Schuchs' Building

    • Men identified as Philip Schuch Jr. and Earl Akin stand in the door of an assay office, signs read: "Pittsburg - Colorado Sampling Works and Assay Office, Philip Schuch, Jr.," Cripple Creek, Colorado. The business is housed in a false front...
    •  
    • [between 1870 and 1900?]
    • Assay laboratory interior

    • Interior view of a mining assay office, in (probably) Colorado; shows a furnace, chemical bottles, beakers, mortars, scales, piled powders, a pouring mold, a dust pan and whisk broom, and label: "Nitric Acid."
    • Walker, William H., photographer.
    • [between 1880 and 1900?]
    • Mine assay office

    • Interior view of the Fifty Gold Mines Corporation mining assay laboratory in Blackhawk, Colorado; shows balance-scales, a distiller, chemical glassware including beakers, funnels, flasks, alembics, mortars, and bottles labeled: "Nitric Acid." A man...
    •  
    • [between 1906 and 1910?]
    • Eaglbird [sic] assay office Battle Mountain

    • View of a mine identified as the Eaglebird Mine on the Eagle River near Gilman on Battle Mountain (Eagle County), Colorado. Shows a foot bridge, a wood frame aerial tram house and assay office, log supports buttressing a tailings pile, and a mine...
    • Jackson, William Henry, 1843-1942.
    • [between 1882 and 1900?]
    • Climax, Colorado assay laboratory

    • Interior view of a mine assay office in Climax, Colorado; shows a workbench with chemical glassware including funnels, beakers and flasks, an electric fan, and a distiller or gas-generator.
    • Denver Commercial Photo Co.
    • [between 1890 and 1900?]
    • Assay Office, Argent M Co. Gilmore Property

    • Men pose by an abandoned log cabin identified as the Argent Mining Company Assay Office, on the Gilmore Property in the Platoro Mining District, Conejos County, Colorado.
    •  
    • [between 1910 and 1920?]
    • Buckeye Cabin, La Sal Mt's. Utah

    • A boy sits in front of Buckeye Cabin in the La Sal Mountains, Utah. A sign reads, "Assay Office Buckeye Cabin." On a table are reagent bottles, a box of assay weights, a beaker, test tubes, glass-stoppered acid bottles, evaporating dishes, and a...
    • McKee, Thomas Michael, 1854-1939.
    • 1897 Aug. 24
    • Eagle Bird assay office, Battle Mountain, Eagle River [?]

    • Two men lean on a wooden bridge and look toward the Eagle Bird Assay office on the Eagle River, Eagle County, Colorado. Shows the Eagle Bird Mine, mining tramway tracks, cable for an aerial tram from the Belden mine, a mine dump and wood frame...
    • Jackson, William Henry, 1843-1942.
    • [between 1880 and 1890?]
    • Assay office

    • Interior view of an assay office in Denver, Colorado; shows a man, a spittoon, scales, a cash register, and glass display cases.
    •  
    • [between 1910 and 1915?]
    • Eagle Bird Assay Office, Battle Mountain, Eagle River Canon

    • View of men, one sits and one stands on a wooden bridge across the Eagle River at Battle Mountain, Eagle County, Colorado. Shows the Assay Office of the Eagle Bird Mine, tram tracks, cable for the aerial tram, and a mine dump.
    • Jackson, William Henry, 1843-1942.
    • [between 1880 and 1900]
    • Eureka Street, Central City

    • View down unpaved Eureka Street toward Central Hill in Central City, Colorado. Along the wood-plank sidewalk that borders the streets are two clapboard houses with gabled, shingled roofs, and rectangular- shaped windows, next to the side of the...
    • Current, Ira B.
    • 1937
    • Kramer Mines Inc.

    • A man works in an assay office at the Kramer Mine in Salida (Chaffee County), Colorado. Test tubes and chemistry equipment sit on a counter top. The worker wears his shirt sleeves rolled up.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • Eldora

    • The town of Eldora, Colorado, sits along a valley floor adjacent to Jasper Creek. False front, wooden buildings dominate the central business district, and signs include: "Assay Office," "Drugs," "Village Restaurant," and, "Brach." In the...
    •  
    • [between 1890 and 1899]
    • Eureka Street, Central City

    • View up unpaved Eureka Street toward Quartz Hill in Central City, Colorado. The Teller House is in the foreground with a sign that reads, "Hotel Teller House Dining Room." The second sign attached to the building reads, "J.S. Kimball Assay...
    • Newbury, Samuel S.
    • 1934
    • Eureka Street, Central City

    • View east down Eureka Street toward snow-covered Central Hill, with a wagon drawn by six white, harnessed horses. The driver of the wagon wears a hat and a work suit. The Teller House is to the left of the image and has a sign that reads "Assay...
    •  
    • [between 1890-1900]
    • Denver 1700 block on Champa

    • Pedestrians and men with bicycles stand on the sidewalk and in the street on the 1700 block of Champa Street in Denver, Colorado. Signs on the nearby buildings read: "Bicycle Repairing," "Tin Shop," "Plumbing," "Merle Furnished Rooms Transient,"...
    • Buckwalter, Harry H.
    • [between 1900 and 1910?]
    • Saints John, Colorado

    • Saints John, Summit County, Colorado, consists of frame mining sheds and administration buildings. The Assay Office (2) is connected to the mill (1) by an elevated frame walkway. Glacier Mountain, in the background, is dotted with tailings;...
    •  
    • [between 1900 and 1910?]
    • Lawrence Street, Central City

    • View of a store on Lawrence Street in Central City, Colorado. Signs read: "W.J. Howard," "Assay Office," "Graham's Drug Store," "Watches & Jewelry Carefully Repaired Jewelry Made to Order from Native Colorado," "Books & Stationery," and "Briggs...
    • Faul, Henry.
    • [between 1860 and 1870?]
    • Assay office

    • View of the American Mining Company's assay office near American City (Gilpin County), Colorado. Snow covers the ground.
    •  
    • [between 1895 and 1905]
    • Assaying, cupeling

    • Men work in an assay office, probably in Colorado. Shows an assayer pouring ore into a cupel over a stove. Shows barrels, sacks, sifters, tins, mortars and pestles, tongs, and graduated sizes of cupels in the laboratory.
    • Jackson, William Henry, 1843-1942.
    • [1897?]
    • The Masked Model at the Broadway Theater

    • Members of the cast of "The Masked Model" pose in front of the Broadway Theater at 1756 Broadway in Denver, Colorado. Playbills hang at the entrance to the theater and read: "John Cort Presents a New Musical Comedy. The Masked Model." Other signs...
    • Rocky Mountain Photo Company.
    •  
    • Assaying

    • View of a laboratory in an assay office, probably in Colorado. One man sits at a counter to measure ore samples, another man with a pipette and beaker stands near a wood stove. Shows various ore measuring equipment, including a button-balance...
    • Jackson, William Henry, 1843-1942.
    • 1897
    • Irene, Denver

    • Members of the cast of the musical comedy "Irene" pose in front of the Broadway Theater at 1756 Broadway in Denver, Colorado. Posters with pictures of scenes from the play stand in front of the theater. Signs read: "Metropole," "Restaurant,"...
    • Rocky Mountain Photo Company.
    • 1922 March 4
    • Snow, December 5, 1913, Central City, Colorado

    • An unidentified man dressed in a suit stands on a sidewalk in Central City, Colorado, holding a shovel. Enormous piles of snow that are taller than the man line Eureka Street in front of him. Signs marking a bank, a millinery, the Teller House and...
    • Lake, Harry H., 1860-1952.
    • [1913]
    • Passing Show of 1918

    • Members of the cast of "The Passing Show of 1918" pose in front of the Broadway Theater at 1756 Broadway in Denver, Colorado. Eugene and Willie Howard sit at center; a dog sits between them. Signs read: "Metropole Restaurant," "Mason Tire & Rubber...
    •  
    • 1920
    • Silver Cliff, Colorado, Main St.

    • View west of Main Street, Silver Cliff, Custer County, Colorado; shows wagons, people, businesses, signs: "Assay Office," "Security House," and the Sangre De Cristo Range.
    •  
    • 1894
    • Assay office

    • View of the American Mining Company's assay office near American City (Gilpin County), Colorado. Snow covers the ground.
    •  
    • [between 1895 and 1905]
    • Actors and musicians at the Broadway Theater

    • Actors and musicians stand and kneel in front of the Broadway Theater at 1756 Broadway in Denver, Colorado. Signs read: "Assay Office," "Cafe," "Restaurant," and "Monarch [illegible] and Dyers."
    • Rocky Mountain Photo Company.
    •  
    • Bird's eye view of Buena Vista, Colo.

    • Reproduction of lithograph of Buena Vista, Chaffee County, Colorado; shows: 1. Court House 2. School House 3. Hiller, Hallock & Co's Opera House 4. D&RGRR Depot 5. F W Ower's Sampling Works 6. Turn-Halle and Buena Vista Guards Armory, Co H; 7....
    •  
    • [between 1880 and 1890?]
    • Denver 1700 block on Champa

    • View of horses, one pulls a wagon, with banners that read: "Democrat" and White Republican on Ballot" on the 1700 block of Champa Street in Denver, Colorado. Signs on the nearby buildings read: "Plumbing," "Enterprise Hand Laundry," "Aurum Assay...
    • Buckwalter, Harry H.
    • [between 1900 and 1910?]
    • Central City, Co

    • United States Air Force soldiers, wearing blue uniforms, white belts, white gloves, berets, and braids over their shoulders, march down Eureka Street in Central City, Colorado. The band members in the front row are playing drums. Spectators stand...
    •  
    • [between 1970 and 1975]
    • Wall Street [sic], Colo.

    • The stone and brick Wallstreet Assay Office has a steep pitched, corrugated metal roof a tall chimney, a fenced yard and a nearby wooden shed in Wallstreet (Boulder County), Colorado. The stone ruins of the Wallstreet Gold Extraction Company Mill...
    • Grant, George Alexander, 1891-1964.
    • [between 1940 and 1950?]
    • Midland Terminal Railway station, Cripple Creek, Colorado

    • Crowd gathers near Midland Terminal Railway Station constructed in 1896, Bennett Avenue, Cripple Creek, Colorado; scene includes miners with lunch buckets, horse-drawn carriage and riders, and group of men near the depot; street consists of...
    •  
    • [between 1900 and 1910]
    • 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?]
    • Chin Chin at the Broadway Theater

    • Members of the cast and crew of "Chin Chin" pose in front of the Broadway Theater at 1756 Broadway in Denver, Colorado. Posters for the show read: "This Week. Charles Dillingham's Greatest Musical Success. Chin Chin." Other signs read: "Husel Tire....
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