Item:
ONSV5729

Original U.S. WWII Bausch & Lomb USAAF A-8A Sextant - 1942

Item Description

Original Item: Only One Available. 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 is a rare WWII  Unites States Army Air Force A-8-A Aircraft Bubble Sextant dated 1942 in original transit chest. The sextant has an original data plate that reads:

U.S. Army Air Forces Aircraft Sextant Type No A-8A
Serial No. AF 42-UX2045
Specification No. 94-27914A
Order No. A.F. 27749
MFR'S ASS'Y DWG NO.29499
Bausch & Lomb Optical Co.
Rochester NY U.S.A.

All pieces are in very good condition.
  • This product is available for international shipping.
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