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Aircraft Bubble Sextant, Japan (SEXT39)


Aircraft Bubble Sextant, Japan (SEXT39)

On Auction at eBay

This unique collectible resides in The Fulford Collection and is on auction on eBay April 22-25, 2021 with bidding some items extended thru May 1. Please visit our eBay Store to place a bid.

This is a WWII-era aeronautical sextant from Japan.

According to collector George Fulford's notes:

The Japanese snitched a copy of the Army Air Corps A-8, of pre-WW2 vintage, and secretly made copies for their own use as they did not have anything of their own: and this is it. Unfortunately for them they should have waited for the A-8A, which had an averaging devise, crucial for accurate air celestial navigation that this one does not. I’m only superficially aware of the A-8 but comparing it with this Japanese copy I feel a weight difference and the bubble container is far smaller than ours, which can be significant, for the liquid in all the earlier sextants had a nasty proclivity to leak out which could be alleviated by having a larger reservoir.

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