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Wimpris bombsight on a DH-4. An observer with the
Wimperis bombsight, an old type. The latest sight is inside the fuselage. During WW I, the U.S. Army Air Service used the Mark I bombsight– a copy of the British Wimperis bombsight – on its DH-4s. After adjusting the sight for altitude and airspeed,
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the bombardier essentially aimed it like a rifle. Lacking a stabilizer, the Mark I’s accuracy suffered from movements of the airplane in flight, but it could compensate a little forwind. (U.S. Air Force photo)
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797:{{Information |Description = Low Height Drift Sight Mk. I mounted on the side of an Airco DH.4 in World War I |Source = on the US Air Force
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If the file has been modified from its original state, some details may not fully reflect the modified file.
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The following pages on the
English Knowledge (XXG) use this file (pages on other projects are not listed):
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Airman or employee, taken or made as part of that person's official duties. As a
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Low Height Drift Sight Mk. I mounted on the side of an Airco DH.4 in World War I
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Image taken circa 1918, long ago passed into public domain regardless of source
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Click on a date/time to view the file as it appeared at that time.
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Add a one-line explanation of what this file represents
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83:(1,800 × 1,711 pixels, file size: 339 KB, MIME type:
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U.S. Air Force (more likely the US Army Air
Service)
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Commons is a freely licensed media file repository.
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work of the federal government of the United States
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