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  • All fields: Assayers
(105 results)



Display: 50

    • Assayers

    • Assayers examine a piece of ore on a table with a magnifying glasses.
    • Assayers--Colorado--1880-1910.; Hand lenses--Colorado--1880-1910.; Mining--Colorado--1880-1910.; Ore industry--Colorado--1880-1910.
    • [between 1880 and 1910]
    • Assaying

    • Assayers work in a lab probably in Colorado. A stove, mortars, pestles, tongs, and other equipment are in the room.
    • Assayers--Colorado--1890-1900.; Assaying--Colorado--1890-1900.; Interiors--Colorado--1890-1900.
    • 1897
    • Assaying

    • Assayers work in a lab probably in Colorado. Beakers, a stove, funnels, and other lab equipment are in the room.
    • Assayers--Colorado--1890-1900.; Assaying--Colorado--1890-1900.; Interiors--Colorado--1890-1900.
    • 1897
    • 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.
    • Assayers--Colorado--1890-1900.; Assaying--Colorado--1890-1900.; Interiors--Colorado--1890-1900.
    • [1897?]
    • 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...
    • Assayers--Colorado--1890-1900.; Assaying--Colorado--1890-1900.; Interiors--Colorado--1890-1900.
    • 1897
    • Radium Company of Colorado

    • Assayers work in a laboratory at the Radium Company of Colorado mine in Colorado.
    • Assayers--Colorado--1920-1930.; Mine buildings--Colorado--1920-1930.; Interiors--Colorado--1920-1930.; Mining--Colorado--1920-1930.
    • [between 1920 and 1930]
    • Buchanan (Assayor) [i. e. (Assayer)]

    • Buchanan, an assayer, poses by a cabin near Apex (Gilpin County), Colorado.
    • Assayers--Colorado--Apex--1890-1900.; Apex (Colo.)--1890-1900.; Log cabins--Colorado--Apex--1890-1900.; Mining--Colorado--Apex--1890-1900.
    • June 9, 1897
    • Eldora, Colorado 1890-99 (prints)

    • Snow is piled up in front of the Assay Office of Welch and Bancroft on Eldorado Avenue in Eldora, a mining town in Boulder County, Colorado. An unidentified man sts on a log in the left midground at the base of a mound of snow where two young boys...
    • Assayers--Colorado--Eldora--1890-1900.; Boulder County (Colo.)--1890-1900.; Eldora (Colo.)--1890-1900.; Blizzards--Colorado--Eldora--1890-1900.; Children playing in snow--Colorado--Eldora--1890-1900.; Sleds & sleighs--Colorado--Eldora--1890-1900.
    • [between 1935 and 1950?]
    • 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.
    • Assaying--Colorado--Cripple Creek--1880-1900.; Cripple Creek (Colo.--1880-1900.; Gold--Colorado--Cripple Creek--1880-1900.; Laboratories--Colorado--Cripple Creek--1880-1900.; Mining--Colorado--Cripple Creek--1880-1900.
    • [between 1880 and 1900?]
    • Bonanza

    • Men and women pose on a dirt street in Bonanza (Saguache County), Colorado. Frame buildings have false fronts and signs that read: "F.F. Roby Assayer" and "Second Hand Goods." Miners hold pick axes, shovels, sledge hammers and pose near a pile of...
    • Bonanza (Colo.)--1880-1890.; Assayers--Colorado--Bonanza--1880-1890.; False fronts--Colorado--Bonanza--1880-1890.; Miners--Colorado--Bonanza--1880-1890.; Mining--Colorado--Bonanza--1880-1890.; People--Colorado--Bonanza--1880-1890.
    • [between 1882 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...
    • Cripple Creek (Colo.)--1870-1900.; Assayers--Colorado--Cripple Creek--1870-1900.; Commercial facilities--Colorado--Cripple Creek--1870-1900.; False fronts--Colorado--Cripple Creek--1870-1900.; Akin, Dean.; Akin, Earl.; Schuch, Philip.
    • [between 1870 and 1900?]
    • 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...
    • Cripple Creek (Colo.)--1890-1910.; Assayers--Colorado--Cripple Creek--1890-1910.; Interiors--Colorado--Cripple Creek--1890-1910.; Laboratories--Colorado--Cripple Creek--1890-1910.
    • [between 1890 and 1910?]
    • Pohle, Ed. C.

    • Studio portrait of Edwin C. Pohle, an assayer who resided in Leadville (Lake County), probably Georgetown (Clear Creek County), and Denver (Arapahoe County), Colorado. He wears a dark jacket and vest with piping, an upstanding collar and a necktie....
    • Denver (Colo.)--1880-1900.; Georgetown (Colo.)--1880-1900.; Leadville (Colo.)--1880-1900.; Assayers.; Men.; Mustaches.; Pohle, Edwin C.
    •  
    • 1926 Denver Householders' Directory and Street and Avenue Guide v.2

    • The Denver Householder Directory started in 1926 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.
    • Denver (Colo.)--Directories.
    • 1926
    • 1935 Denver Householders' Directory and Street and Avenue Guide v.11

    • 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.
    • Denver (Colo.)--Directories.
    • 1935
    • 1933 Denver Householders' Directory and Street and Avenue Guide v.9

    • 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.
    • Denver (Colo.)--Directories.
    • 1933
    • 1930 Denver Householders' Directory and Street and Avenue Guide v.6

    • 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.
    • Denver (Colo.)--Directories.
    • 1930
    • 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.
    • Denver (Colo.)--Directories.
    • 1929
    • 1934 Denver Householders' Directory and Street and Avenue Guide v.10

    • 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.
    • Denver (Colo.)--Directories.
    • 1934
    • 1927 Denver Householders' Directory and Street and Avenue Guide v.3

    • 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.
    • Denver (Colo.)--Directories.
    • 1927
    • 1936 Denver Householders' Directory and Street and Avenue Guide v.12

    • 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.
    • Denver (Colo.)--Directories.
    • 1936
    • 1928 Denver Householders' Directory and Street and Avenue Guide v.4

    • 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.
    • Denver (Colo.)--Directories.
    • 1928
    • 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.
    • Denver (Colo.)--Directories.
    • 1931
    • 1937 Denver Householders' Directory and Street and Avenue Guide v.13

    • 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.
    • Denver (Colo.)--Directories.
    • 1937

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