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  • All fields: Experimental
(326 results)



Display: 50

    • 10:30 A.M. General Motors Aerotrain entering Denver Union Station

    • View of the General Motors experimental streamliner the Aerotrain led by a LWT12 locomotive at Union Station in Denver, Colorado. The streamlined locomotive has four headlights. A steel viaduct and a flour mill are in the distance.
    • Denver (Colo.)--1950-1960.; Diesel locomotives--Colorado--Denver--1950-1960.; Railroads--Colorado--Denver--1950-1960.
    • 1956 March 18
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • AT&SF locomotive, engine number 3452, engine type 4-6-4

    • Train #12, Chicago Flyer; engine equipped with experimental smoke deflector; 6 cars, 20 MPH. Photographed: leaving La Junta, Colo., March 31, 1929.
    • Locomotives--1920-1930.; Railroads--Trains--Pictorial works--1929.; Railroad locomotives--Colorado--La Junta.; Atchison, Topeka, and Santa Fe Railway Company.
    • 1929
    • AT&SF locomotive, engine number 3454, engine type 4-6-4

    • Train #12; equipped with experimental smoke deflector; 11 cars, 25 MPH. Photographed: leaving Denver, Colo., August 5, 1928.
    • Locomotives--1920-1930.; Railroads--Trains--Pictorial works--1928.; Railroad locomotives--Colorado--Denver.; Atchison, Topeka, and Santa Fe Railway Company.
    • 1928
    • AT&SF locomotive, engine number 3456, engine type 4-6-4

    • Train #9, The Navajo; equipped with experimental smoke deflector; 12 cars, 30 MPH. Photographed: approaching La Junta, Colo., March 31, 1929.
    • Locomotives--1920-1930.; Railroads--Trains--Pictorial works--1929.; Railroad locomotives--Colorado--La Junta.; Atchison, Topeka, and Santa Fe Railway Company.
    • 1929
    • AT&SF locomotive, engine number 3461, engine type 4-6-4

    • Train #19, The Chief; engine equipped with experimental smoke lifter; 13 cars, 35 MPH. Photographed: east of La Junta, Colo., February 27, 1938.
    • Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1938.; Railroad locomotives--Colorado--La Junta.; Atchison, Topeka, and Santa Fe Railway Company.
    • 1938
    • Auraria Higher Education Center

    • Proposal for a Landscape Design and Implementation Study
    • Urban renewal--Colorado--Denver--History--Sources.
    • 1974 January
    • Brief histories of the Denver Public Schools

    • Compiled for the administrative offices of the Denver Public Schools, this book contains brief histories for the majority of the Public Schools in Denver, Colorado up to they year 1952.
    • Denver Public Schools--History.
    • 1952
    • Tivoli Brewery: a feasibility study Part 1

    • Tivoli Brewery feasibility study, part 1: front cover, Foreword, Board of Directors and Table of Contents
    • Historic buildings--Colorado--Denver--Conservation and restoration.; City planning--Auraria (Denver Colo.); City planning--Colorado--Denver
    • 1972?
    • Chinese miners Idaho Springs

    • Dr. James Underhill poses with Chinese-American miners (probably) in the Colorado School of Mines' Edgar Experimental Mine near Idaho Springs (Clear Creek County), Colorado. One man holds a saw.
    • Chinese-Americans--Colorado--Denver--1920-1930.; Idaho Springs (Colo.)--1920-1930.; Miners--Colorado--Idaho Springs--1920-1930.; Mining--Colorado--Idaho Springs--1920-1930.; Underhill, James, PhD.; Colorado School of Mines (Golden,...
    • [between 1920 and 1930]
    • Colorado School of Mines training mine, Idaho Springs

    • Interior view of the Colorado School of Mines Edgar Experimental Mine, Idaho Springs, Colorado, shows students with a drilling machine.
    • Idaho Springs (Colo.)--1930-1940.; Mining--Colorado--Idaho Springs--1930-1940.; Colorado School of Mines.
    • [between 1930 and 1940?]
    • Colorado tour 7, Experimental Plant, School of Mines, Golden

    • Exterior view of the Colorado School of Mines 1912 Experimental Plant of the School of Mines Research Institute in Golden, Jefferson County, Colorado, shows the multi-story structure with sloping and monitor roofs with outbuildings, automobiles and...
    • Golden (Colo.)--1930-1940.; Buildings--Colorado--Golden--1930-1940.; Universities & colleges--Colorado--Golden--1930-1940.; Colorado School of Mines.
    • [between 1930 and 1940]
    • More About Morey : vol. XIV no. 4

    • Newspaper published by the students at Morey Junior High School in Denver, Colorado.
    • Morey Junior High School (Denver, Colo.); Morey Junior High School (Denver, Colo.)--Students--Periodicals.; Junior high schools--Colorado--Denver--Periodicals.
    • 1935 January
    • D&RGW train, engine number 1704, engine type 4-8-4

    • Train #20, The Mountaineer; 7 cars, experimental smoke deflector. Photographed: near Arena, Colo., April 14, 1947.
    • Locomotives--1940-1950.; Railroads--Trains--Pictorial works--1947.; Railroad locomotives--Colorado--Arena.; Denver and Rio Grande Western Railway Company.
    • 1947
    • D&RGW train, engine number 1704, engine type 4-8-4

    • Train #16, Colorado-New Mexico Express; 8 cars, 45 MPH, experimental smoke deflector. Photographed: Denver, Colo., August 25, 1946.
    • Locomotives--1940-1950.; Railroads--Trains--Pictorial works--1946.; Railroad locomotives--Colorado--Denver.; Denver and Rio Grande Western Railway Company.
    • 1946
    • D&RGW train, engine number 1704, engine type 4-8-4

    • Train #16, Colorado-New Mexico Express; 9 cars, 50 MPH, experimental smoke deflector. Photographed: near Littleton, Colo., May 11, 1947.
    • Locomotives--1940-1950.; Railroads--Trains--Pictorial works--1947.; Railroad locomotives--Colorado--Littleton.; Denver and Rio Grande Western Railway Company.
    • 1947
    • Denver Municipal Facts: Volume 1 Number 21, 1909 July 10

    • 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.
    • 19090710
    • 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.
    • 19090313
    • Denver Municipal Facts: Volume 2 Number 30, 1910 July 23

    • 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.
    • 19100723
    • Denver Municipal Facts: Volume 2 Number 34, 1910 August 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.
    • 19100820
    • Denver Municipal Facts: Volume 2 Number 43, 1910 October 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.
    • 19101022
    • Denver Municipal Facts: Volume 3 Number 2, 1911 January 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.
    • 19110107
    • Denver Municipal Facts: Volume 3 Number 32, 1911 August 5

    • 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.
    • 19110805
    • Denver Municipal Facts: Volume 3 Number 42, 1911 October 14

    • 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.
    • 19111014
    • Denver Municipal Facts: Volume 4 Number 24, 1912 June 15

    • 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.
    • 19120615
    • Dr. Larry Brown, kneeling, explains the growth processes of experimental grass seed mixture at the...

    • Dr. Larry Brown demonstrates to his co-workers the growth processes of an experimental mixture of grass seed using crushed rock, wood chips, and dried sludge during the reclamation of the Urad mine site, Clear Creek County, Colorado.
    • Henderson Mine (Clear Creek County, Colo.)--People--1970-1980.; Clear Creek (Clear Creek County, Colo.)--1970-1980.; Mining--Colorado--Clear Creek County--1970-1980.; Reclamation of land--Colorado--Clear Creek County--1970-1980.; Brown, Larry.
    • [between 1975 and 1980]
    • Dr. Larry Brown, kneeling, explains the growth processes of experimental grass seed mixture at the...

    • Dr. Larry Brown demonstrates to his co-workers the growth processes of an experimental mixture of grass seed using crushed rock, wood chips, and dried sludge during the reclamation of the Urad mine site, Clear Creek County, Colorado.
    • Henderson Mine (Clear Creek County, Colo.)--People--1970-1980.; Clear Creek County (Colo.)--1970-1980.; Mining--Colorado--Clear Creek County--1970-1980.; Reclamation of land--Colorado--Clear Creek County--1970-1980.; Brown, Larry.
    • [between 1975 and 1980]
    • East High spotlight: vol 30 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.)--Students--Writings.; East High School (Denver, Colo.)--Periodicals.; High schools--Colorado--Denver--Periodicals.; Public schools--Colorado--Denver.; High schools--Colorado--Denver.; East High School (Denver, Colo.)
    • 1944 May 25
    • Experimental petroleum distillery

    • View of an experimental petroleum distillery at the Colorado School of Mines in Golden (Jefferson County), Colorado. Shows a brick furnace with three insulated tanks mounted on the top. Pipes, a holding tank and machinery are in the room.
    • Colorado School of Mines--1910-1920.; Distillation apparatus--Colorado--Golden--1910-1920.; Golden (Colo.)--1910-1920.; Universities & colleges--Colorado--Golden--1910-1920.
    • [between 1915 and 1920?]

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