Sextant, Aircraft Periscopic, RAF Mk IIB, Ref No 6B/2838 Hughes The US Navy Anchor logo
$95.00
Description
The US Navy Anchor logo is stamped on the back and on the face is embossed "BU AERO US NAVY" (Bureau of Aeronautics)
The bottom knob controlled the turn
the USAF's first nuclear armed standoff missile) marked Confidential
The cover is a thick index card stock which covers 55 pages
(approx 11 inches by 9 inches) containing maps and geographical reference information regarding the Japanese Empire circa 1943
Sextant, Aircraft Periscopic, RAF Mk IIB, Ref No 6B/2838 Hughes The US Navy Anchor logoHere is an original aircraft Periscopic Sextant Mk IIB as used in aircraft of the British Royal Air Force, in its original carrying case. The periscopic sextant was used in aircraft with a pressurized cabin, whereas the 'periscope' was inserted through a shutter mounted in the ceiling of the aircraft. This provided an unobstructed view of the sky for celestial navigation without compromising the pressurization of the crew cabin. The serial number of
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