RAF Aircraft Bubble Sextant MkIX Vintage WWII era 1942 ref: 306/42

£99.99

Out of stock

SKU: 15121153 Category:

Description

RAF Aircraft Bubble Sextant MkIX Vintage WWII era 1942 ref: 306/42

Repaired in 1966

Ref: 6B/313

Condition: It’s older than my dad and looks in better nick. Used as removed 73 years old. The case has writing on, a few dents and is a little bit tired but has done it’s job at keeping the sextant (don’t you just love that word) clean and safe. The rubber eye pieces are still soft with a few tiny cracks.

Size:  Case approx 27cm High, 25cm Deep and width of 20.5cm

Little bit of info….

The primary use of a sextant is to determine the angle between an astronomical object and the horizon for the purposes of celestial navigation. The determination of this angle, the altitude, is known as sighting (or 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. Common uses of the sextant include sighting the sun at solar noon or Polaris at night (in the Northern Hemisphere) to determine latitude. Sighting the height of a landmark can give a measure of distance off and, held horizontally, a sextant can measure angles between objects for a position on a chart. A sextant can also be used to measure the lunar distance between the moon and another celestial object (such as a star or planet) in order to determine Greenwich Mean Time and hence longitude.**

**Wikipedia

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Our ref: 15121153

 

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