Denver Public Library Western History/Genealogy Digital Collections

- Denver Municipal Facts: Volume 2 Number 17, 1910 April 23
- Denver Municipal Facts: Volume 4 Number 17, 1912 April 27
- P.B.X. exchange - old switchboard - Denver Tramway Co.
- Interior view of a Colorado Telephone Company switchboard in the Denver Tramway Company building in Denver, Colorado. Men work at panels with gauges, microphones, speakers, vacuum tubes, and a clock.
- Colorado Telephone Company--Equipment & supplies--1890-1900.; Denver Tramway Company (Denver, Colo.)--Facilities--1890-1900.; Denver (Colo.)--1890-1900.; Interiors--Colorado--Denver--1890-1900.; Telephone operators--Colorado--Denver--1890-1900.;...
- 1898
- Exchange equipment, 1421 Champa, toll switchboard under construction
- View of the switchboard room at the Colorado Telephone Company Building at 1421 Champa Street in Denver, Colorado. The partially constructed switchboards are pulled out from the wall. Wires are draped on the switchboards and lie in clusters on the...
- Colorado Telephone Company--Equipment & supplies--1900-1910.; Denver (Colo.)--1900-1910.; Construction--Colorado--Denver--1900-1910.; Interiors--Colorado--Denver--1900-1910.; Telephone companies--Colorado--Denver--1900-1910.; Telephone...
- 1903, July 14
- Salida Exchange equipment
- Interior view of a Colorado Telephone Company office in Salida (Chaffee County), Colorado; shows a switchboard.
- Colorado Telephone Company--Equipment & Supplies--1900-1910.; Salida (Colo.)--1900-1910.; Interiors--Colorado--Denver--1900-1910.; Telephone companies--Colorado--Salida--1900-1910.; Telephone switchboards--Colorado--Salida--1900-1910.
- 1904
- Fire alarm system
- A man sits by a switchboard and a map of Denver with lights at fire station locations in a building in Denver, Colorado. He holds an upright telephone by a desk lamp, speaker, clock, and barometer.
- Denver (Colo.)--1910-1920.; Interiors--Colorado--Denver--1920-1940.; Maps--Colorado--Denver--1920-1940.; Men--Colorado--Denver--1920-1940.; Offices--Colorado--Denver--1920-1940.; Switchboards--Colorado--Denver--1920-1940.
- [between 1910 and 1920?]
- Fire alarm for new system to be built
- A man sits by a switchboard and a map of Denver with lights at fire station locations in a building in Denver, Colorado.
- Denver (Colo.)--1920-1940.; Interiors--Colorado--Denver--1920-1940.; Maps--Colorado--Denver--1920-1940.; Men--Colorado--Denver--1920-1940.; Switchboards--Colorado--Denver--1920-1940.
- [between 1920 and 1940?]
- 1915 Corbett & Ballenger's 43rd Annual Denver City Directory
- 1920 Corbett & Ballenger's 48th Annual Denver City Directory
- 1923 Corbett & Ballenger's 51st Annual Denver City Directory
- Office of the City and County Hospital
- A group of men sit in an office of Denver General Hospital in Denver, Colorado. A man sits in a chair near a telephone switchboard. Another man sits on a desk near a sign that reads: "County Hospital, 1873." A spittoon is on the floor near a man's...
- Denver General Hospital--People--1900-1910.; Denver (Colo.)--1900-1910.; Hospitals--Colorado--Denver--1900-1910.; Interiors--Colorado--Denver--1900-1910.; Office workers--Colorado--Denver--1900-1910.; Offices--Colorado--Denver--1900-1910.;...
- 1907 October
- Shoshone Power House, transformers
- Interior view of Shoshone Hydroelectric Plant power house in Garfield County, Colorado; shows transformers, generators, and governor pumps.
- Electric transformers--Colorado--Garfield County--1900- 1910.; Garfield County (Colo.)--1900-1910.; Shoshone powerplant (Colo.)--1900-1910.; Hydroelectric power--Colorado--Garfield County--1900-1910.; Interiors--Colorado--Garfield...
- [1909]
- Shoshone Power House and switch board and govenor [sic] pumps
- Interior view of Shoshone Hydroelectric Plant power house in Garfield County, Colorado; shows turbines, generators, switchboard and governor pumps.
- Garfield County (Colo.)--1900-1910.; Shoshone powerplant (Colo.)--1900-1910.; Hydroelectric power--Colorado--Garfield County--1900-1910.; Interiors--Colorado--Garfield County--1900-1910.; Power plants--Colorado--Garfield County--1900-1910.;...
- [1909]
- Shoshone Power House
- Interior view of Shoshone Hydroelectric Plant power house in Garfield County, Colorado; shows turbines, generators, switchboard and governor pumps.
- Garfield County (Colo.)--1900-1910.; Shoshone powerplant (Colo.)--1900-1910.; Hydroelectric power--Colorado--Garfield County--1900-1910.; Interiors--Colorado--Garfield County--1900-1910.; Power plants--Colorado--Garfield County--1900-1910.;...
- [1909]
- Shoshone Power House
- Interior view of Shoshone Hydroelectric Plant power house in Garfield County, Colorado; shows turbines, generators, switchboard and governor pumps.
- Garfield County (Colo.)--1900-1910.; Shoshone powerplant (Colo.)--1900-1910.; Hydroelectric power--Colorado--Garfield County--1900-1910.; Interiors--Colorado--Garfield County--1900-1910.; Power plants--Colorado--Garfield County--1900-1910.;...
- [1909]
- 1st switchboard, Grand Junction
- Interior view of Mountain States Telephone and Telegraph switchboard office area, in Grand Junction, Colorado, shows two female switchboard operators behind a wooden spindle balustrade with swinging door. A group of men, women and one boy pose...
- Grand Junction (Colo.)--1900-1910.; Interiors--1900-1910.; Telephone operators--Colorado--Grand Junction--1900-1910.; Telephone switchboards--Colorado--Grand Junction--1900- 1910.
- 1903
- Telephone office in 1915
- Two female operators are at their switchboards at the telephone office in Montrose, Colorado. The women each wear head-sets which have earphone receivers and transmitters that wrap around to their mouths. Five additional workstations sit idle along...
- Montrose (Colo.)--1910-1920.; Telephone operators--Colorado--Montrose--1910-1920.; Women--Colorado--Montrose--1910-1920.
- 1915
- Denver exchange equipment, south office, 25 W. Bayaud St., operating room
- Operators work at switchboards at the Mountain States Telephone and Telegraph exchange building at 25 West Bayaud Street in the Baker Neighborhood of Denver, Colorado. The women wear headsets and sit in tall chairs that face the switchboard. Cords...
- Mountain States Telephone and Telegraph Company--1910-1920.; Denver (Colo.)--1910-1920.; Telephone companies--Colorado--Denver--1910-1920.; Telephone operators--Colorado--Denver--1910-1920.; Telephone switchboard--Colorado--Denver--1910-1920.
- 1914
- Denver exchange equipment, 1421 Champa St., operators school switchboard
- Women training to be operators work at a switchboard at the Mountain States Telephone and Telegraph Company building at 1421 Champa Street, Denver, Colorado. The women wear headsets and sit in tall chairs that face the switchboard. Supervisors or...
- Mountain States Telephone and Telegraph Company--1910-1920.; Denver (Colo.)--1910-1920.; Telephone companies--Colorado--Denver--1910-1920.; Telephone operators--Colorado--Denver--1910-1920.; Telephone switchboards--Colorado--Denver--1910-1920.;...
- 1915
- Switchboard
- View of the switchboard in the Mountain States Telephone and Telegraph Company exchange building in Pueblo (Colorado). Shows wires, headsets, speakers, and circuits. A bare electric light bulb hangs from the ceiling.
- Mountain States Telephone and Telegraph Company--Equipment & supplies--1890-1900.; Pueblo (Colo.)--1890-1900.; Interiors--Colorado--Pueblo--1890-1900.; Telephone companies--Colorado--Pueblo--1890-1900.; Telephone...
- 1897 October
- Switchboards, old Kellogg, used at Centro, Colorado
- View of a Kellogg switchboard used in the Mountain States Telephone and Telegraph Company exchange in Centro (Conejos County), Colorado. The switchboard is in a mahogany wood cabinet and with forty-five plugs and cords. A circuit panel leans on the...
- Mountain States Telephone and Telegraph Company--Equipment & supplies--1910-1920.; Centro (Colo.)--1910-1920.; Telephone companies--Colorado--Centro--1910-1920.; Telephone switchboards--Colorado--Centro--1910-1920.
- 1911
- Main switchboard - subscribers - rear view - 1421 Champa
- Interior view of the Mountain States Telephone and Telegraph Company exchange in Denver, Colorado; shows wires and switchboard components.
- Mountain States Telephone and Telegraph Company--Equipment & supplies--1910-1920.; Denver (Colo.)--1910-1920.; Interiors--Colorado--Denver--1910-1920.; Telephone companies--Colorado--Denver--1910-1920.; Telephone...
- 1914
- W. Morgan, exchange equipment, terminal room
- View of the terminal room in the Mountain States Telephone and Telegraph exchange building in Morgan (Conejos County), Colorado. A candle stick telephone sits on a desk near other switchboard equipment. Wires, circuits, and control panels line the...
- Mountain States Telephone and Telegraph Company--Equipment & supplies--1910-1920.; Morgan (Colo.)--1910-1920.; Interiors--Colorado--Morgan--1910-1920.; Telephone companies--Colorado--Morgan--1910-1920.; Telephone...
- 1914
- Denver, Colorado, exchange equipment
- A man works at a teletype machine and switchboard in the Long Lines department at the Mountain States Telephone and Telegraph Company building in Denver, Colorado. Shows machinery and equipment.
- Mountain States Telephone and Telegraph Company--Equipment & supplies--1930-1940.; Denver (Colo.)--1930-1940.; Telephone companies--Colorado--Denver--1930-1940.; Telephone switchboards--Colorado--Denver--1930-1940.;...
- 1932 July
- Limon, Colorado, exchange equipment
- An operator works at a switchboard at the Mountain States telephone exchange building in Limon (Lincoln County), Colorado. Shows telephone equipment and telephone booths on the far end of the room. The woman wears a headset and polka-dot dress.
- Mountain States Telephone and Telegraph Company--Equipment & supplies--1930-1940.; Limon (Colo.)--1930-1940.; Telephone companies--Colorado--Limon--1930-1940.; Telephone operators--Colorado--Limon--1930-1940.; Telephone...
- 1932 April 14
- Durango exchange equipment, operating room
- Telephone switchboards line a wall of the Mountain States Telephone and Telegraph Company exchange building in Durango (La Plata County), Colorado. Cords are strung across the switchboard and numbers identify each work station. A supervisors desk...
- Mountain States Telephone and Telegraph Company--Facilities--1910-1920.; Durango (Colo.)--1910-1920.; Interiors--Colorado--Durango--1910-1920.; Telephone companies--Colorado--Durango--1910-1920.; Telephone switchboards--Colorado--Durango--1910-1920.
- 1915
- Arvada, Colo., exchange equipment, old exchange switchboard
- Operators work at a switchboard at the Mountain States Telephone and Telegraph Company exchange building in Arvada (Jefferson County), Colorado. The operators wear headsets and sit in tall chairs. Cords are stretched across the work station. A fire...
- Mountain States Telephone and Telegraph Company--People--1910-1920.; Arvada (Colo.)--1910-1920.; Telephone companies--Colorado--Arvada--1910-1920.; Telephone operators--Colorado--Arvada--1910-1920.; Telephone...
- 1915
- Colorado Springs, exchange equipment, operating room
- Operators work at switchboards in the Mountain States Telephone and Telegraph Company exchange building in Colorado Springs (El Paso County), Colorado. The women wear headsets and sit in tall chairs that face their work stations. Cords are strung...
- Mountain States Telephone and Telegraph Company--People--1910-1920.; Colorado Springs (Colo.)--1910-1920.; Telephone companies--Colorado--Colorado Springs--1910-1920.; Telephone operators--Colorado--Colorado Springs--1910-1920.; Telephone...
- 1915
- Delta Exchange equipment - switchboard
- Interior view of a Mountain States Telephone and Telegraph Company office in Delta (Delta County), Colorado; shows telephone operators working at a switchboard.
- Mountain States Telephone and Telegraph Company--People--1910-1920.; Delta (Colo.)--1910-1920.; Interiors--Delta--Denver--1910-1920.; Telephone companies--Delta--Denver--1910-1920.; Telephone operators--Delta--Denver--1910-1920.; Telephone...
- 1914
- Switchboard - subscribers - 1421 Champa
- Interior view at the Mountain States Telephone and Telegraph Company exchange in Denver, Colorado; women work at a switchboard.
- Mountain States Telephone and Telegraph Company--People--1910-1920.; Denver (Colo.)--1910-1920.; Interiors--Colorado--Denver--1910-1920.; Switchboard operators--Colorado--Denver--1910-1920.; Telephone companies--Colorado--Denver--1910-1920.;...
- 1914
- Denver exchange equipment, York office, operating room
- Rows of operators sit at switchboards that line two walls of the Mountain States Telephone and Telegraph Company exchange building on York Street in Denver, Colorado. The women wear headsets and sit in tall chairs that face the switchboard....
- Mountain States Telephone and Telegraph Company--People--1910-1920.; Denver (Colo.)--1910-1920.; Interiors--Colorado--Denver--1910-1920.; Telephone companies--Colorado--Denver--1910-1920.; Telephone operators--Colorado--Denver--1910-1920.;...
- 1916
- Main switchboard - subscribers - 1421 Champa
- Interior view of the Mountain States Telephone and Telegraph Company exchange in Denver, Colorado; shows women operators in long dresses and upswept hair styles. They sit at switchboards.
- Mountain States Telephone and Telegraph Company--People--1910-1920.; Denver (Colo.)--1910-1920.; Interiors--Colorado--Denver--1910-1920.; Telephone companies--Colorado--Denver--1910-1920.; Telephone operators--Colorado--Denver--1910-1920.;...
- 1914
- Toll switchboard and operators - 1421 Champa
- Interior view of the Mountain States Telephone and Telegraph Company exchange in Denver, Colorado; shows women working at a switchboard. Stenciled letters read: "13."
- Mountain States Telephone and Telegraph Company--People--1910-1920.; Denver (Colo.)--1910-1920.; Interiors--Colorado--Denver--1910-1920.; Telephone companies--Colorado--Denver--1910-1920.; Telephone operators--Colorado--Denver--1910-1920.;...
- 1914
- Denver exchange equipment, main, 1421 Champa, operating room
- Operators work at switchboards at the Mountain States Telephone and Telegraph Company exchange at 1421 Champa Street, Denver, Colorado. The women wear headsets and sit in tall chairs that face the switchboard. Each work station is identified by a...
- Mountain States Telephone and Telegraph Company--People--1910-1920.; Denver (Colo.)--1910-1920.; Telephone companies--Colorado--Denver--1910-1920.; Telephone operators--Colorado--Denver--1910-1920.; Telephone...
- 1915
- Exchange equipment, operating room
- A row of operators work at a switch board at the Mountain States Telephone and Telegraph Company exchange building in Fort Collins (Larimer County), Colorado. Plugs and cords are stretched over the work surface. The women sit on tall chairs and...
- Mountain States Telephone and Telegraph Company--People--1910-1920.; Fort Collins (Colo.)--1910-1920.; Interiors--Colorado--Fort Collins--1910-1920.; Telephone companies--Colorado--Fort Collins--1910-1920.; Telephone operators--Colorado--Fort...
- 1914
- Fort Morgan switchboard
- Interior view of a Mountain States Telephone and Telegraph Company exchange in Fort Morgan (Morgan County), Colorado; operators with headsets sit at a switchboard with a clock and kerosene lamp. Women's outfits include a shawl and upswept hair...
- Mountain States Telephone and Telegraph Company--People--1910-1920.; Fort Morgan (Colo.)--1910-1920.; Interiors--Colorado--Fort Morgan--1910-1920.; Telephone companies--Colorado--Fort Morgan--1910-1920.; Telephone operators--Colorado--Fort...
- 1914
- Operating room
- Operators work at a bank of switchboards that line three walls in the Mountain State Telephone and Telegraph exchange building in Pueblo (Pueblo County), Colorado. Wires and plugs crisscross the switchboard panels. A supervisor sits at a desk in...
- Mountain States Telephone and Telegraph Company--People--1910-1920.; Pueblo (Colo.)--1910-1920.; Interiors--Colorado--Pueblo--1910-1920.; Telephone companies--Colorado--Pueblo--1910-1920.; Telephone operators--Colorado--Pueblo--1910-1920.;...
- 1914
- Denver Union Depot, public telephones
- An operator sits at a switchboard near a bank of telephone booths at Union Station in Denver, Colorado. She sits behind a divider and wears a head set. The telephone booths are lined with decorative molded tin and numbers identify each booth. A...
- Mountain States Telephone and Telegraph Company--People--1910-1920.; Union Station (Denver, Colo.)--Facilities--1910-1920.; Denver (Colo.)--1910-1920.; Interiors--Colorado--Denver--1910-1920.; Railroad stations--Colorado--Denver--1910-1920.;...
- 1915
- Toll switchboard (4th floor) - 1421 Champa
- Interior view of the Mountain States Telephone and Telegraph Company exchange in Denver, Colorado; shows women working. A woman in a plaid dress and low heeled shoes is by signs: "Miss Fitzsimmons," and "Miss Andrews."
- Mountain States Telephone and Telegraph Company--People--1920-1930.; Denver (Colo.)--1920-1930.; Interiors--Colorado--Denver--1920-1930.; Telephone operators--Colorado--Denver--1920-1930.; Telephone switchboards--Colorado--Denver--1920-1930.;...
- 1922
- 1421 Champa, operator's school
- Teachers stand behind a group of students who work at a switchboard at the Mountain States Telephone and Telegraph Company operator's school at 1421 Champa Street, Denver, Colorado. The women wear headsets and sit in tall chairs facing the...
- Mountain States Telephone and Telegraph Company--People--1920-1930.; Denver (Colo.)--1920-1930.; Students--Colorado--Denver--1920-1930.; Teachers--Colorado--Denver--1920-1930.; Telephone operators--Colorado--Denver--1920-1930.; Telephone...
- 1921 June 9
- Switchboard operators at work
- Mountain States Telephone Company operators work at a switchboard probably in Denver, Colorado. The women wear headsets and sit at the switchboard panel.
- Mountain States Telephone and Telegraph Company--People--1930-1940.; Denver (Colo.)--1930-1940.; Telephone operators--Colorado--Denver--1930-1940.; Telephone switchboards--Colorado--Denver--1930-1940.
- 1930
- Estes Park, Colorado, exchange equipment, switchboard
- Operators work at the switchboard in the Mountain States telephone exchange in Estes Park (Larimer County), Colorado. The women work in an area separated from the rest of the room by a low divider. A telephone and adding machine sit on a desk...
- Mountain States Telephone and Telegraph Company--People--1930-1940.; Estes Park (Colo.)--1930-1940.; Interiors--Colorado--Estes Park--1930-1940.; Telephone operators--Colorado--Estes Park--1930-1940.; Telephone switchboards--Colorado--Estes...
- 1931 July 24
- Telephone switchboard
- A photo of a large wood telephone switchboard. Shows connection wires/cords, connection boards, and speakers.
- Switchboards--1890-1900.
- [between 1890 and 1910]
- Western History Subject Index
- TELEPHONES. COLORADO
- Mabel Soderquist, Willard Telephone Exchange
- Mabel Soderquist is at her switchboard desk with telephone and directories, in Willard, Logan County, Colorado, wearing a bob haircut, a dress with satin trim, and a neck tassel. Sign reads: "Keep Smiling."
- Willard (Colo.)--1920-1930.; Telephone operators--Colorado--Willard--1920-1930.; Telephone switchboards--Colorado--Willard--1920-1930.; Soderquist, Mabel.
- December 31, 1923