Periscopic Sextant
   Periscopic sextant 1.48071979434

Model number: 1471C-02

Date manufactured: 1940's

Period/Dates when in use: 1940's through 1960's

Description: Optical instrument mounted in the roof of a transport aircraft to permit the navigator to look out at the sky and perform celestial navigation.

Item History: This sextant eliminates the need for an astrodome in the roof of the aircraft. It also incorporates a bubble to establish a horizontal plane in lieu of the horizon.

Additional Photos:
Periscopic sextant
Periscopic Sextant
Carrying case for periscopic sextant

Supporting documentation:
Description and technical diagram (125000 bytes)

Jack Reichel
1935 North Point, San Francisco, CA 94123

Submission authored by:
Jack Reichel