An overhead view of the near-fatal crash of Howard Hughes' XF-11 in Culver City, California.

A picture of the exterior of the North Las Vegas City Hall its and Christmas decorations. The decorations were put up by North Las Vegas Fire Department.

Description given with photo: "Radar Installed on Passenger Planes Culver City, Calif. -- Radar safety control system (cabinet, left, center) for passenger planes, demonstrated by Howard Hughes in a trans-world airline plane, at Culver City, May 1st. Radar, with 500 and 2,000 foot warning signals, tells the pilot when he is approaching obstacles. Equipment is being installed in planes flying routes from San Francisco eastward to Shanghai. Credit (ACME) 5/3/47."

Preliminary drawing of front exterior elevation of ra anch-style residential home in Boulder City, Nevada. Handwritten near lower right: "Elevations only for Plan 1 (1B, 1C, 1D), Plan 2 (2B, 2C, 2D), Plan 4 (4B, 4C, 4D), Plan 5 (5B, 5C, 5D)."

Architecture Period: Mid-Century Modernist

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide lists the steps required to conduct atmospheric and underground bomb tests. 

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide title reads, "Underground nuclear test execution sequence"

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide title reads, "Comparative Radiation Exposures"