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  • All fields: electrical
(685 results)



Display: 50

    • Gold Run pit

    • View of Gold Run hydraulic placer gold mine, near Breckenridge, Summit County, Colorado; shows miners, monitor nozzles, water jets, sluices, pipes, and electrical power poles.
    • Sluices--Colorado--Breckenridge--1870-1880.; Breckenridge (Colo.)--1870-1880.; Gold mining--Colorado--Breckenridge--1870-1880.; Hydraulic mining--Colorado--Breckenridge--1870-1880.; Miners--Colorado--Breckenridge--1870-1880.;...
    • 1879
    • View on Capitol Hill - Denver

    • View of Denver, Colorado; shows houses, an electrical light tower, and landmarks including St. John's Episcopal Cathedral and the Ebert School.
    • Capitol Hill (Denver, Colo.)--1880-1890.; Denver (Colo.)--1880-1890.; Houses--Colorado--Denver--1880-1890.; Towers--Colorado--Denver--1880-1890.
    • 1883
    • Optics

    • Telescopes target a prism at the University of Colorado at Boulder. A sheaf of papers has a series of graded, vertical black bars, and lettering: "Prof. H. A. Rowland." A wire power coil and electrical equipment are in back against the interior...
    • Boulder (Colo.)--1880-1890.; Classrooms--Colorado--Boulder--1880-1890.; Interiors.; Optical devices--Colorado--Boulder--1880-1890.; Scientific equipment--Colorado--Boulder--1880-1890.; Universities & colleges--Colorado--Boulder--1880-1890.;...
    • 1889
    • Science classroom

    • Scientific equipment fills the interior of this classroom at the University of Colorado at Boulder. An optical bench tops glass fronted cabinets, equipped with lenses, prisms, lamps, and filters. Glass retorts and alembics are on shelves;...
    • Boulder (Colo.)--1880-1890.; Classrooms--Colorado--Boulder--1880-1890.; Interiors.; Universities & colleges--Colorado--Boulder--1880-1890.; University of Colorado (Boulder Campus)
    • 1889
    • Batteries and electricity

    • Electrical instruments in this University of Colorado at Boulder laboratory include an astatic mirror galvanometer on a shelf with switches and wire coils. Wooden battery boxes with terminals are on a lower surface by electrometers; one of the...
    • Boulder (Colo.)--1880-1890.; Interiors.; Laboratories--Colorado--Boulder--1880-1890.; Scientific equipment--Colorado--Boulder--1880-1890.; Universities & colleges--Colorado--Boulder--1880-1890.; University of Colorado (Boulder Campus)
    • 1889
    • Colo Trading and Transfer Co. in 1894 in Cripple Creek, Colo.

    • Exterior view of Colorado Trading and Transfer Company with several horse-drawn freight wagons parked in front, North Fifth (5th) Street and Bennett Avenue, Cripple Creek, Colorado; also included are several other wood frame buildings with saltbox...
    • Cripple Creek (Colo.)--1890-1900.; Carts & wagons--Colorado--Cripple Creek--1890-1900.; Commercial facilities--Colorado--Cripple Creek--1890-1900.
    • 1894
    • Lighting plant, 1441 Lawrence St.

    • Interior view of a Colorado Telephone Company electrical plant in Denver, Colorado; shows a side crank generator, switches, and meters.
    • Colorado Telephone Company--Equipment & supplies--1890-1900.; Denver (Colo.)--1890-1900.; Electric generators--Colorado--Denver--1890-1900.; Interiors--Colorado--Denver--1890-1900.
    • 1896, September
    • Trinity Echo: Volume IV, Number 10

    •  
    • Trinity United Methodist Church (Denver, Colo.)--1890-1900.; Trinity Methodist Episcopal Church (Denver, Colo.) -- History. ; Methodist churches--Colorado--Denver--1890-1900.; Methodist Episcopal Church -- Colorado -- Denver -- Periodicals.;...
    • 1899 February
    • History of Denver

    • Comprehenisve study of the history of the Denver area before, during, and after the founding of the city.
    • Cities and towns--Colorado--Denver.
    • 1901
    • Heraldo Annual: 1901

    • West Denver High School yearbook for 1901.
    • West High School (Denver, Colo.)--Students--Periodicals.; Denver Public Schools--Students--Yearbooks.; School yearbooks--Colorado--Denver.; High schools--Colorado--Denver--Periodicals.
    • 1901
    • The Annual: North Side High School 1905

    • North Denver High School yearbook for 1905
    • Denver Public Schools--Students--Yearbooks.; North High School (Denver, Colo.)--Students--Yearbooks.; School yearbooks--Colorado--Denver.; High schools--Colorado--Denver--Periodicals.
    • 1905
    • The Annual: The North Side High School 1906

    • North Denver High School yearbook for 1906
    • Denver Public Schools--Students--Yearbooks.; North High School (Denver, Colo.)--Students--Yearbooks.; School yearbooks--Colorado--Denver.; High schools--Colorado--Denver--Periodicals.
    • 1906
    • West Denver High School Heraldo Annual: 1907

    • West Denver High School yearbook for 1907.
    • West High School (Denver, Colo.)--Students--Periodicals.; Denver Public Schools--Students--Yearbooks.; School yearbooks--Colorado--Denver.; High schools--Colorado--Denver--Periodicals.
    • 1907
    • School Days '07

    • Yearbook for Denver Manual Training High School 1907
    • Manual High School (Denver, Colo.)--Students--Yearbooks.; Denver Public Schools--Students--Yearbooks.; School yearbooks--Colorado--Denver.; High schools--Colorado--Denver--Periodicals.
    • 1907
    • Manual Annual: 1908

    • Yearbook for Denver Manual Training High School 1908.
    • Manual High School (Denver, Colo.)--Students--Yearbooks.; Denver Public Schools--Students--Yearbooks.; School yearbooks--Colorado--Denver.; High schools--Colorado--Denver--Periodicals.
    • 1908
    • East Denver High School Annual: 1909

    • 1909 Yearbook from East Denver High School.
    • East High School (Denver, Colo.)--Students--Yearbooks.; Denver Public Schools--Students--Yearbooks.; School yearbooks--Colorado--Denver.
    • 1909
    • Manual Annual: 1909

    • Yearbook for Denver Manual Training High School 1909
    • Manual High School (Denver, Colo.)--Students--Yearbooks.; Denver Public Schools--Students--Yearbooks.; School yearbooks--Colorado--Denver.; High schools--Colorado--Denver--Periodicals.
    • 1909
    • Denver Municipal Facts: Volume 1 Number 1, 1909 February 20

    • Newsletter produced by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1909 February 20
    • Denver Municipal Facts: Volume 1 Number 2, 1909 February 27

    • Newsletter produced by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1909 February 27
    • Denver Municipal Facts: Volume 1 Number 4, 1909 March 13

    • Newsletter produced by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1909 March 13
    • Denver Municipal Facts: Volume 1 Number 3, 1909 March 6

    • Newsletter produced by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1909 March 6
    • Denver Municipal Facts: Volume 1 Number 14, 1909 May 22

    • Newsletter produced by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1909 May 22
    • Denver Municipal Facts: Volume 2 Number 19, 1910 May 7

    • Newsletter produced by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1910 May 7
    • East Denver High School Annual: 1911

    • 1911 Yearbook from East Denver High School.
    • East High School (Denver, Colo.)--Students--Yearbooks.; Denver Public Schools--Students--Yearbooks.; School yearbooks--Colorado--Denver.
    • 1911
    • Manual Annual: 1911

    • Yearbook for Denver Manual Training High School 1911.
    • Manual High School (Denver, Colo.)--Students--Yearbooks.; Denver Public Schools--Students--Yearbooks.; School yearbooks--Colorado--Denver.; High schools--Colorado--Denver--Periodicals.
    • 1911
    • Denver Municipal Facts: Volume 3 Number 7, 1911 February 11

    • Newsletter produced by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1911 February 11
    • The City of Denver: Volume 1 Number 5, 1912 December 7

    • Newsletter produced semi-monthly by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1912 December 7
    • The City of Denver: Volume 1 Number 15, 1912 May 17

    • Newsletter produced semi-monthly by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1912 May 17
    • Head gate house, Marble, Colo.

    • Men pose near a sluice, a small wooden building and a headgate near Kline Falls, on the Crystal River, about 2 miles east of Marble (Gunnison County), Colorado. Shows a wooden staircase and walkway. Here water was diverted to a pipeline going west...
    • Marble (Colo.)--1910-1920.; Hydroelectric power.; Penstocks.
    • 1912.
    • The City of Denver: Volume 1 Number 14, 1913 April 26

    • Newsletter produced semi-monthly by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1913 April 26
    • The City of Denver: Volume 1 Number 22, 1913 August 23

    • Newsletter produced semi-monthly by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1913 August 23
    • The City of Denver: Volume 1 Number 21, 1913 August 9

    • Newsletter produced semi-monthly by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1913 August 9
    • A street car blockaded at 16 and Welton Sts. Taken in the snow-storm the morning of Dec. 6, 1913

    • Pedestrians trudge through snow on Welton and Sixteenth (16th) streets in the snowstorm of 1913 in Denver, Colorado. Shows a Denver City Tramway trolley car and snow-laden electrical wires, lamp posts and buildings. The Daniels and Fisher building...
    • Denver City Tramway Company (Denver, Colo.)--1910-1920.; Denver (Colo.)--1910-1920.; Blizzards--Colorado--Denver--1910-1920.; Commercial streets--Colorado--Denver--1910-1920.; Pedestrians--Colorado--Denver--1910-1920.; Street...
    • 1913 December 6
    • The City of Denver: Volume 1 Number 10, 1913 February 22

    • Newsletter produced semi-monthly by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1913 February 22
    • The City of Denver: Volume 1 Number 9, 1913 February 8

    • Newsletter produced semi-monthly by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1913 February 8
    • The City of Denver: Volume 1 Number 8, 1913 January 25

    • Newsletter produced semi-monthly by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1913 January 25

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