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  • All fields: Optical
(228 results)



Display: 50

    • The Grace Church Call program

    • Program for worship services for Grace Church, Sunday, October 22, 1933. Ad for Clarence Holmes' dentistry business on page 4 of the program.
    • African Americans--Colorado--Denver.; African American dentists--Colorado--Denver.
    • 1933 October 22
    • Bear Creek showing canyon walls

    • A man stands beside a canvas-roofed automobile on a narrow road beside Bear Creek in Bear Creek Canyon (Jefferson County), Colorado. Shows snow, rocks and utility poles in the canyon.
    • Bear Creek (Jefferson County and Douglas County, Colo.)--1910-1920.; Jefferson County (Colo.)--1910-1920.; Automobiles--Colorado--Jefferson County--1910-1920.; Canyons--Colorado--Jefferson County--1910-1920.; Dirt roads--Colorado--Jefferson...
    • 1919 January or February
    • Beaver Brook trail along edge of Beaver Brook

    • People climb a trail by Beaver Brook, and rocky cliffs in Clear Creek Canyon, Jefferson County, Colorado; the women wear wide brimmed sun hats and heavy coats.
    • Beaver Brook (Clear Creek County and Jefferson County, Colo.)--1920-1930.; Clear Creek Canyon (Colo.)--1920-1930.; Jefferson County (Colo.)--1920-1930.; Cliffs--Colorado--Jefferson County--1920-1930.; Hiking--Colorado--Jefferson County--1920-1930.;...
    • 1921 June-July
    • 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
    • Optical bench

    • Filters and lenses are mounted on an optical bench at the University of Colorado at Boulder. Other instruments are strewn on the wooden surface, and an interior door is in the background.
    • Boulder (Colo.)--1880-1890.; Classrooms--Colorado--Boulder--1880-1890.; Interiors.; Scientific equipment--Colorado--Boulder--1880-1890.; Universities & colleges--Colorado--Boulder--1880-1890.; University of Colorado (Boulder Campus)
    • 1889
    • Physics class

    • Light experimentation equipment in this University of Colorado at Boulder classroom consists of an optical bench with an adjustable slit and lamps, prisms, lenses, and filters. An open wooden case contains other instruments; a bi-prism defractor...
    • Boulder (Colo.)--1880-1890.; Classrooms--Colorado--Boulder--1880-1890.; Interiors.; Scientific equipment--Colorado--Boulder--1880-1890.; Universities & colleges--Colorado--Boulder--1880-1890.; University of Colorado (Boulder Campus)
    • 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
    • Chemistry laboratory

    • This laboratory at the University of Colorado at Boulder has a bench backed by shelves full of apothecary bottles. Each is labeled, identifying various chemicals. Slates, an oven, a beaker, molecular models, a precipitating glass, distillation...
    • 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
    • Potosi Caribou mine, Caribou, Colo.

    • View of the deteriorating mill of the Potosi Caribou mine near Caribou, Boulder County, Colorado. It features two towers connected by a wooden chute and other, shed roofed buildings. It stands atop a large tailings pile and borders a road.
    • Boulder County (Colo.)--1900-1930.; Potosi Mine (Boulder County, Colo.)--1900-1930.; Abandoned buildings--Colorado--Boulder County--1900-1930.; Mills--Colorado--Boulder County--1900-1930.; Mining--Colorado--Boulder County--1900-1930.
    • [between 1900 and 1930?]
    • Byers Junior High School after planting

    • Byers Junior High School, in Denver, Colorado, is a three-story brick building with stone trim, buttresses, and a projecting, square entry. Lawn, flowers, and trees in the foreground comprise Saco R. DeBoer landscaping.
    • Byers Junior High School (Denver, Colo.)--Buildings--1920-1930.; Denver (Colo.)--1920-1930.; Schools--Colorado--Denver--1920-1930.
    • [between 1920 and 1925?]
    • Map of Colorado at Overland Park

    • Two women stand in front of a map posted at Overland Park motor camp in the Overland neighborhood of Denver, Colorado. One woman points out a location on the map. The boarder of the sign reads: "Vacation Outdoors In Colorado National Forests, Free...
    • Camp sites, facilities, etc.--Colorado--Denver--1920-1930.; Denver (Colo.)--1920-1930.; Overland Park (Denver, Colo.)--1920-1930.; Maps--Colorado--Denver--1920-1930.; Parks--Colorado--Denver--1920-1930.; Women--Colorado--Denver--1920-1930.
    • 1920 June, July
    • Shower at Overland Park auto camp

    • Interior view of a shower room at the Overland Park motor camp in the Overland neighborhood of Denver Colorado. A sink caked with soap is against the wall. Water runs from a shower head visible through a door. The raised threshold of the door is...
    • Camp sites, facilities, etc.--Colorado--Denver--1920-1930.; Denver (Colo.)--1920-1930.; Overland Park (Denver, Colo.)--1920-1930.; Parks--Colorado--Denver--1920-1930.; Public comfort stations--Colorado--Denver--1920-1930.
    • 1920 June, July
    • Home James H. Causey Arizona Ave. & Franklin

    • View of the James H. Causey house at Arizona Avenue and Franklin Street in the Washington Park neighborhood of Denver, Colorado. The house a hip roof with simulated thatch shingles, arched windows, and awnings.
    • Causey, James H.--Homes & haunts.; Denver (Colo.)--1920-1930.; Washington Park (Denver, Colo. : Neighborhood)--1920-1930.; Houses--Colorado--Denver--1920-1930.
    • 1926
    • Delos Chappell residence

    • View at the Delos Chappell house at 2900 Sheridan Boulevard, in Edgewater (Jefferson County), Colorado; landscaping features a lily pond and lawn. The residence has a half hipped roof and twin chimneys.
    • Chappell, Delos Allen--Homes & haunts.; Edgewater (Colo.)--1920-1940.; Houses--Colorado--Edgewater--1920-1940.
    • [between 1920 and 1940?]
    • DeBoer and Pesman landscape architects

    • View of a garden (designed by S. R. DeBoer) at the Chappell house at 2900 Sheridan Boulevard in Edgewater (Jefferson County), Colorado; landscaping features flagstone walls, a lily pond, and lawn.
    • Chappell, Delos Allen--Homes & haunts.; Edgewater (Colo.)--1920-1950.; Gardens--Colorado--Edgewater--1920-1950.
    • [between 1920 and 1950?]
    • Speer & Lincoln old auto on 7th Ave

    • View of the intersection of Speer Boulevard and Lincoln Avenue in Denver, Colorado; shows a drinking fountain / street lamp / horse trough, landscaping, a truck, the Western Columbia Laundry, and Cherry Creek with concrete flood control walls.
    • Cherry Creek (El Paso County-Denver County, Colo.)--1910-1920.; Denver (Colo.)--1900-1920.; Intersections--Colorado--Denver--1900-1920.; Streams--Colorado--Denver--1900-1920.; Streets--Colorado--Denver--1900-1920.; Watering...
    • [between 1910 and 1920?]
    • Cherry Creek flood

    • View of Cherry Creek floodwater and damage in Denver, Colorado after the Castlewood Canyon Dam break; shows railroad yards, freight cars, a fuel tank, a smokestack, industrial buildings, and sign: "Kindel." Front Range mountains are in the...
    • Cherry Creek (El Paso County-Denver County, Colo.)--1930-1940.; Denver (Colo.)--1930-1940.; Floods--Colorado--Denver--1930-1940.; Industrial facilities--Colorado--Denver--1930-1940.; Railroad freight cars--Colorado--Denver--1930-1940.; Railroad...
    • 1933 Aug. 3
    • Cherry Creek flood

    • View of a Cherry Creek flood in Denver, Colorado after the Castlewood Canyon Dam break; shows muddy water in standing waves. A business at 115 West 7th (Seventh) Avenue has a sign: "O. P. Skaggs System Foods."
    • Cherry Creek (El Paso County-Denver County, Colo.)--1930-1940.; Denver (Colo.)--1930-1940.; Floods--Colorado--Denver--1930-1940.; Streams--Colorado--Denver--1930-1940.
    • 1933 Aug. 3
    • Genesee Park, Hosa Lodge, summer time

    • View of Chief Hosa Lodge, built beside the (onetime) Denver to San Francisco stagecoach road, in Genesee Mountain Park (Denver Mountain Parks), Jefferson County, Colorado. The rustic inn, designed by architect Jacques Benedict, is made of "Rainbow"...
    • Chief Hosa Lodge (Colo.)--1910-1920.; Genesee Park (Colo.)--1910-1920.; Jefferson County (Colo.)--1910-1920.; Dirt roads--Colorado--Jefferson County--1910-1920.; Stone buildings--Colorado--Jefferson County--1910-1920.
    • [between 1918 and 1920?]
    • Corner of Hosa Lodge looking towards Continental Divide - Genesee Park

    • People stand by Chief Hosa Lodge, in Genesee Mountain Park (Denver Mountain Parks), Jefferson County, Colorado, and look at distant mountains. The inn, designed by architect Jacques Benedict, is built of stone and has timber siding on the roof.
    • Chief Hosa Lodge (Colo.)--1910-1920.; Genesee Park (Colo.)--1910-1920.; Jefferson County (Colo.)--1910-1920.; Sightseers--Colorado--Jefferson County--1910-1920.; Stone buildings--Colorado--Jefferson County--1910-1920.
    • 1919 January or 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
    • Elector for the console

    • Interior view at the Denver Municipal Auditorium in Denver, Colorado; shows a lift at the edge of the stage (for the pipe organ console), box and floor seating.
    • City Auditorium (Denver, Colo.)--1910-1920.; Denver (Colo.)--1910-1920.; Auditoriums--Colorado--Denver--1910-1920.; Interiors--Colorado--Denver--1910-1920.
    • [1918?]
    • Forty five tons of steel used for organ frame

    • Interior view at the Denver Municipal Auditorium in Denver, Colorado, during installation of the organ; shows housing framwork, ceiling ornaments, light fixtures, and box seats.
    • City Auditorium (Denver, Colo.)--1910-1920.; Denver (Colo.)--1910-1920.; Auditoriums--Colorado--Denver--1910-1920.; Interiors--Colorado--Denver--1910-1920.; Organs--Colorado--Denver--1910-1920.
    • [1918?]
    • Unpacking first three cars of Organ material

    • Interior view at the Denver Municipal Auditorium in Denver, Colorado, during installation of the organ; shows wooden diaspason pipes, percussion frames, crates, stairs, a man (identified as Foote), ladders, and a sign: "These are Dust And...
    • City Auditorium (Denver, Colo.)--1910-1920.; Denver (Colo.)--1910-1920.; Interiors--Colorado--Denver--1910-1920.; Organs--Colorado--Denver--1910-1920.; Foote, G.
    • [1918?]
    • Pergola and Lily Pond City Park

    • Women and a man stand and sit in a pergola at City Park in the City Park neighborhood of Denver, Colorado. Lily Pond and City Park (Ferril) Lake are in the distance.
    • City Park (Denver, Colo.)--1910-1920.; Denver (Colo.)--1910-1920.; Lakes & ponds--Colorado--Denver--1910-1920.; Parks--Colorado--Denver--1910-1920.; Pergolas--Colorado--Denver--1910-1920.
    • [1918]
    • Lily Pond and pergola

    • Men and women sit under and near a pergola at City Park in the City Park neighborhood of Denver, Colorado. The women wear dresses and wide-brimmed hats decorated with ribbons. The Lily Pond and City Park (Ferril) Lake are nearby.
    • City Park (Denver, Colo.)--1910-1920.; Denver (Colo.)--1910-1920.; Lily ponds--Colorado--Denver--1910-1920.; Men--Colorado--Denver--1910-1920.; Parks--Colorado--Denver--1910-1920.; Pergolas--Colorado--Denver--1910-1920.;...
    • [1918]
    • Looking across lily pond, City Park

    • Two women sit on the banks of a lily pond at City Park in Denver, Colorado. A retaining wall with flower plantings divides the pond. Shows lily pads, a stone bridge and Russian Olive trees.
    • City Park (Denver, Colo.)--1910-1920.; Denver (Colo.)--1910-1920.; Lily ponds--Colorado--Denver--1910-1920.; Parks--Colorado--Denver--1910-1920.; Pedestrian bridges--Colorado--Denver--1910-1920.; Women--Colorado--Denver--1910-1920.
    •  
    • Look across Lily Pond from pergola

    • Women and a man sit and stand in a pergola near Lily Pond at City Park in the City Park neighborhood of Denver, Colorado. The man wears a suit and wide-brimmed hat. The women wear dresses and hats. City Park (Ferril) Lake is in the distance.
    • City Park (Denver, Colo.)--1910-1920.; Denver (Colo.)--1910-1920.; Lily ponds--Colorado--Denver--1910-1920.; Parks--Colorado--Denver--1910-1920.; Pergolas--Colorado--Denver--1910-1920.
    • 1918 August
    • Machine gun squad at Civic Center

    • Members of the machine gun squad of the Denver Police Department pose with weapons at Civic Center Park in Denver, Colorado. Captain George Merritt lies on the ground and leans on one elbow near officers who demonstrate the use of a machine gun....
    • Civic Center (Denver, Colo.)--1920-1930.; Denver (Colo.)--1920-1930.; Machine guns--Colorado--Denver--1920-1930.; Police--Colorado--Denver--1920-1930.
    • [1921 March]
    • Below Colorow Pt on Beaver Brook trail clear cut showing the rock causeway [sic] built across gap...

    • People hike near Colorow Point, on the Beaver Brook Trail, in Clear Creek Canyon, Jefferson County, Colorado; a stone retaining wall supports part of the path. Mountain peaks are in the distance.
    • Clear Creek Canyon (Colo.)--1920-1930.; Jefferson County (Colo.)--1920-1930.; Cliffs--Colorado--Jefferson County--1920-1930.; Hiking--Colorado--Jefferson County--1920-1930.; Retaining walls--Colorado--Jefferson County--1920-1930.; Trail &...
    • [between 1920 and 1930?]
    • St. Charles community center

    • Two women stand in an open arch of the arcade of St. Charles community center at 3777 Lafayette Street in the Cole neighborhood of Denver, Colorado. Shows dirt walkways, flower gardens, and a dome. Sign reads: "Keep Off the Grass."
    • Cole (Denver, Colo.)--1910-1930.; Denver (Colo.)--1910-1930.; St. Charles Place Park (Denver, Colo.)--1910-1930.; Arcades (Architectural components)--Colorado--Denver--1910-1930.; Community centers--Colorado--Denver--1910-1930.;...
    • [between 1916 and 1925?]
    • St. Charles Park community center

    • Two women walk towards the entrance to the St. Charles Place Park community center at 3777 Lafayette Street in the Cole neighborhood of Denver, Colorado. Shows a California Mission style structure with arcades, a tiled roof, and domed towers.
    • Cole (Denver, Colo.)--1910-1930.; Denver (Colo.)--1910-1930.; St. Charles Place Park (Denver, Colo.)--1910-1930.; Community centers--Colorado--Denver--1910-1930.; Parks--Colorado--Denver--1910-1930.
    • [between 1916 and 1925?]
    • CMA 1942 parade

    • View of the Colorado Mining Association convention parade as it passes spectators near Tremont and 16th (Sixteenth) Streets in downtown Denver, Colorado. Shows people, parked automobiles, a "V" float, the Tremont Hotel building, storefronts and the...
    • Colorado Mining Association--Public relations--1940-1950.; Denver (Colo.)--1940-1950.; Floats (Parades)--Colorado--Denver--1940-1950.; Parades & processions--Colorado--Denver--1940-1950.
    • 1942
    • Colorado Mining Association

    • View of the Colorado Mining Association parade as it passes spectators near Tremont and 16th (Sixteenth) Streets in downtown Denver, Colorado. Shows people, a flatbed truck, a float and storefronts. Signs read: "Mineral County," "We Mine The Lead...
    • Colorado Mining Association--Public relations--1940-1950.; Denver (Colo.)--1940-1950.; Floats (Parades)--Colorado--Denver--1940-1950.; Parades & processions--Colorado--Denver--1940-1950.; Trucks--Colorado--Denver--1940-1950.
    • 1942
    • Colorado Museum showing Standley wing at left

    • View of the Colorado Museum of Natural History in City Park, Denver, Colorado; features classical entablature and a reflecting pond. Cars are parked by the steps.
    • Colorado Museum of Natural History--1910-1930.; City Park (Denver, Colo.)--1910-1930.; Denver (Colo.)--1910-1930.; Reflecting pools--Colorado--Denver--1910-1930.; Galleries & museums--Colorado--Denver--1910-1930.
    • [between 1918 and 1925?]
    • City Park

    • View of City Park in Denver, Colorado; women walk by a rustic bridge and flower beds. The Colorado Museum of Natural History is in the background.
    • Colorado Museum of Natural History--1920-1930.; City Park (Denver, Colo.)--1920-1930.; Denver (Colo.)--1920-1930.; Galleries & museums--Colorado--Denver--1920-1930.; Parks--Colorado--Denver--1920-1930.; Pedestrian...
    • [between 1925 and 1930?]
    • Park Hill Topics Volume 9 No. 37

    • A weekly newspaper distributed to the residents of the Park Hill neighborhood. This contains articles about neighborhood events, news, and gossip. As well as advertisements for local businesses.
    • Community newspapers--Colorado--Denver.
    • 1942 July 3
    • Mack Building

    • View of the Mack Building on the corner of 16th (Sixteenth) and California Streets in downtown Denver, Colorado. Pedestrians and a bicycle are nearby. Signs read: "Rock Island Line," "Columbia Stores Co.," "Finch-Moore Optical Co.," and "Cottrell...
    • Cottrell Clothing Co. (Denver, Colo.)--1910-1920.; Denver (Colo.)--1910-1920.; Clothing stores--Colorado--Denver--1910-1920.; Commercial facilities--Colorado--Denver--1910-1920.
    • [between 1910 and 1920?]
    • Cub Creek

    • People stand by their cars beside (probably) Cub Creek near Evergreen, Jefferson County, Colorado. Men wave from atop a rock cliff.
    • Cub Creek (Jefferson County, Colo.)--1910-1930.; Automobiles--Colorado--Jefferson County--1910-1930.; Dirt roads--Colorado--Jefferson County--1910-1930.; Rock formations--Colorado--Jefferson County--1910-1930.; Sightseers--Colorado--Jefferson...
    • [between 1915 and 1925?]
    • Campfire scene, night, Daniels Park

    • A man and three women pose near a tent in front of a campfire in Daniels Park in Douglas County, Colorado. They wear dark shirts and pants and hiking boots. Two of the women sit near each other and smile.
    • Daniels Park (Colo.)--1920-1930.; Douglas County (Colo.)--1920-1930.; Campfires--Colorado--Douglas County--1920-1930.; Camping--Colorado--Douglas County--1920-1930.; Tents--Colorado--Douglas County--1920-1930.; Women--Colorado--Douglas...
    • 1920 Aug
    • Tremont

    • View of a business / apartment building at 16th (Sixteenth) and Tremont Streets in Denver, Colorado; also shows signs: "Tremont Hotel," "B. Meininger's," "Silver State Optical Co.," and "Streator Bros. Men's Clothing Store."
    • Denver (Colo.)--1900-1910.; Apartments--Colorado--Denver--1900-1910.; Commercial facilities--Colorado--Denver--1900-1910.
    • [between 1900 and 1905?]
    • Speer Blvd.

    • View of Speer Boulevard, in Denver, Colorado; shows dirt road, a car, and new trees.
    • Denver (Colo.)--1900-1910.; Roads--Colorado--Denver--1900-1910.; Streets--Colorado--Denver--1900-1910.; Trees--Colorado--Denver--1900-1910.
    • [between 1900 and 1910?]
    • Glenarm Hotel, Denver

    • Exterior view Glenarm Hotel, Denver, Colorado; 15th and Glenarm, three story brick building completed in 1878 with facade and wrought iron trim on third level. Street level businesses include: dry cleaning, O'Neill Optical (507 15th, Mrs. M.E....
    • Denver (Colo.)--1900-1920.; Business districts--Colorado--Denver--1900-1920.; Hotels--Colorado--Denver--1900-1920.; Glenarm Hotel (Denver, Colo.)
    • [between 1906 and 1914]

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