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iridosmine    
铱锇合金; 铱锇矿

铱锇合金; 铱锇矿

iridosmine
n 1: a hard and corrosion resistant mineral that is a natural
alloy of osmium and iridium (usually containing small
amounts of rhodium and platinum); used in needles and pen
nibs etc. [synonym: {osmiridium}, {iridosmine}]


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  • China Clipper flight departure site - Wikipedia
    The United States Navy took over Treasure Island when the exposition ended, and San Francisco municipal airport was built at Mills Field; so the Pan Am flying boat Clippers used Navy terminal facilities for the remainder of their service lives The site is now part of the Alameda Naval Air Station
  • Pan American Airlines - timuseum
    They initially chose Alameda as the West Coast base for their Clipper flying boats, then moved to Treasure Island in 1938 for the GGIE, making it San Francisco’s first international airport – the only time the island achieved its planned purpose
  • The Pan Am Historical Foundation - Treasure Is. Gateway
    The historic heritage of Treasure Island remains in the care of the Treasure Island Museum Association, which is working to reopen its museum Whatever the future brings, the terminal continues to evoke its heritage of both an exotic worlds fair, and an age of romantic air travel
  • Historic California Posts: Naval Air Facility, Treasure Island
    Pan Am's former terminal housed the Commanding Officer of the Treasure Island Naval Base, the Commandant of the San Francisco Naval Base, and the Navy Marine Corps Museum Treasure Island was selected for closure by the 1993 Base Realignment and Closure Commission
  • The Pan American Airways Clipper at Treasure Island - 1939
    With the wave of base closures, Treasure Island again became the property of the City of San Francisco Of the buildings shown in this picture, only the hanger remains
  • Treasure Island Building One was the terminal for Pan Am Airways . . .
    Treasure Island Building One was the terminal for Pan Am Airways’ Clipper Trans-Pacific Service from 1938 to 1941, making it San Francisco’s first international airport An impressive number
  • Abandoned Little-Known Airfields: San Francisco area
    A 1946 aerial view looking north showed the Treasure Island hangars in the foreground, and the barely recognizable trace of a runway on the north side of the island
  • Treasure Island Yerba Buena Island Project - SFMTA
    Treasure Island was built as a WPA-era project as San Francisco’s first airport to support Pan Am’s Trans-Pacific “flying boat” service (aircraft Boeing 314 Clipper, one of the largest aircraft of its time), Treasure Island has been subtly redefining itself for many years
  • The China Clipper - FoundSF
    Scenes of Pan American's China Clippers flying in and around San Francisco Bay, including through the incomplete towers of the San Francisco-Oakland Bay Bridge
  • At this time in 1941, a Clipper plane was trying to get home the hard . . .
    After the plane was refueled, Turner and crew took off that night and flew the Anzac Clipper the 2,400 miles back to Pan Am’s base on Treasure Island at San Francisco





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