18. Interior view of HVAC room in Components Test Laboratory (T-27), showing northwest corner. Photograph shows upgraded instrumentation, piping, and technological modifications for HVAC system installed in 1997-99 to accommodate component testing ...

19. Interior view of HVAC room in Components Test Laboratory (T-27), looking toward east wall. Photograph shows upgraded instrumentation, machinery, and technological modifications for HVAC system installed in 1997-99 to accommodate component ...

HVAC systems

3. NORTH ELEVATION OF THE HOT BAY, SHOWING RAILROAD TRACKS LEADING TO THE MASSIVE STEEL-LINED CONCRETE ENTRANCE DOOR. PART OF THE INTRICATE HVAC SYSTEM IS WEST (RIGHT) OF THE DOOR. - Nevada ...

28. VIEW OF SOUTHWEST CORNER OF NORTH WING OF TECHWOOD DORMITORY. AIR CONDITIONING UNITS ARE VISIBLE IN THE WINDOWS OF SEVERAL ROOMS, APPARENTLY TO SUPPLEMENT THE BUILDING'S HVAC SYSTEM. - Techwood Homes, ...

12. LOCATION OF MAIN SUPPLY FAN FOR THEATER HVAC SYSTEM, LOOKING WEST. - Auditorium Building, 430 South Michigan Avenue, Chicago, Cook County, IL

[Working blueprints for plumbing, HVAC and electrical systems in the Chrysler Building, New York City]

Architectural drawings for alterations to the Library of Congress Thomas Jefferson Building ("Main Building--air conditioning facility, second phase"), Washington, D.C.

Architectural drawings for alterations to the Library of Congress underground cafeteria ("air conditioning facilities--first phase cafeteria expansion"), Washington, D.C.

Architectural drawings for alterations to the Library of Congress Thomas Jefferson Building ("Main Building--air conditioning facilities, third phase"), Washington, D.C.

Engineering drawing for alterations to the U.S. Supreme Court in the U.S. Capitol building ("Project for Improved Ventilation"), Washington, D.C.

[Fullam residence, Newtown, Bucks County, Pennsylvania. Heating plan]

Hot Springs National Park, Bathhouse Row, Mechanical & Piping Systems, State Highway 7, 1 mile north of U.S. Highway 70, Hot Springs, Garland County, AR

Hot Springs National Park, Bathhouse Row, Superior Bathhouse: Mechanical & Piping Systems, State Highway 7, 1 mile north of U.S. Highway 70, Hot Springs, Garland County, AR

Hot Springs National Park, Bathhouse Row, Hale Bathhouse: Mechanical & Piping Systems, State Highway 7, 1 mile north of U.S. Highway 70, Hot Springs, Garland County, AR

Hot Springs National Park Bathhouse Row, Maurice Bathhouse: Mechanical & Piping Systems, State Highway 7, 1 mile north of U.S. Highway 70, Hot Springs, Garland County, AR

Hot Springs National Park, Bathhouse Row, Fordyce Bathhouse: Mechanical & Piping Systems, State Highway 7, 1 mile north of U.S. Highway 70, Hot Springs, Garland County, AR

Hot Springs National Park, Bathhouse Row, Quapaw Bathhouse: Mechanical & Piping Systems, State Highway 7, 1 mile north of U.S. Highway 70, Hot Springs, Garland County, AR

Hot Springs National Park, Bathhouse Row, Ozark Bathhouse: Mechanical & Piping Systems, State Highway 7, 1 mile north of U.S. Highway 70, Hot Springs, Garland County, AR

Hot Springs National Park, Bathhouse Row, Buckstaff Bathhouse: Mechanical & Piping Systems, State Highway 7, 1 Mile North of U.S. Highway 70, Hot Springs, Garland County, AR

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