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Bubble Sextant - click to enlarge

Bubble Sextant - click to enlarge

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Bubble Sextant

Catalogue number:

Edwin A. Link, Jr. presented this bubble sextant, in a beautiful alligator case, to P. V. H. Weems. It is a standard A-12 with an attachment that enables the user to view the real horizon. Link applied for a patent on this feature in 1943.

Ref: Link Bubble Sextant (Octant) Model A-12 Handbook: Description, Operation, Use, Adjustment (Binghamton, N.Y.: Link Aviation Devices, Inc., 1943).

Edwin A. Link, Jr., "Navigation Instrument Including a Horizon Attachment," U.S. patent #2,395,559

Further Information:

Aircraft Sextant