Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Temperatures on the main floor can be controlled in individual desk areas by thermostats such as this pint-size unit.
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Three views of the "modular"...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "The Giant Wester...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Heating and air-conditioning...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Jack Schwab at the control p...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Bill Rogers, Thermal Systems...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Hot times on the rig floor.
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Large industrial fan helps e...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Central heating ...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "It's work as usual at the we...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Exterior of the new heating ...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Most people can keep cool whi...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "This add-on-room expands the...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "This heat pump was custom-bu...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Dr. Richard Kren...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Control panel of fluidized be...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Three views of the "modular"...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "The Giant Wester...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Heating and air-conditioning...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Jack Schwab at the control p...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Bill Rogers, Thermal Systems...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Hot times on the rig floor.
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Large industrial fan helps e...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Central heating ...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "It's work as usual at the we...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Exterior of the new heating ...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Most people can keep cool whi...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "This add-on-room expands the...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "This heat pump was custom-bu...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Dr. Richard Kren...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Control panel of fluidized be...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Three views of the "modular"...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "The Giant Wester...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Heating and air-conditioning...