Original U.S. WWII USAAF Fairchild A-10 Bubble Sextant in Transit Chest with Accessories - dated 1942
Original Item: Only One Available. WWII US Army Air Force A10 Aircraft Sextant -
A sextant is an instrument used to measure the angle between any two visible objects. Its primary use is to determine the angle between a celestial object and the horizon which is known as the altitude. Making this measurement is known as sighting the object, shooting the object, or taking a sight. The angle, and the time when it was measured, can be used to calculate a position line on a nautical or aeronautical chart. A common use of the sextant is to sight the sun at noon to find one's latitude. Since the sextant can be used to measure the angle between any two objects, it can be held horizontally to measure the angle between any two landmarks which will allow for calculation of a position on a chart. A sextant can also be used to measure the Lunar distance between the moon and another celestial object (e.g., star, planet) in order to determine Greenwich time.
This WWII Fairchild USAAF A-10 Sextant was issued during World War two to personnel from the U.S. Army Air Forces (USAAF). It has an original data plate, which is somewhat faded, but the "42" in the serial number can still be seen, which indicates 1942 manufacture. The sextant comes complete with the issue wooden box, which has multiple compartments to house the different components of the apparatus and offered in very good condition.
Approximate Case Dimensions: 9" x 9" x 5 1/2".
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