Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More