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Aerial bubble quadrant made by Derrien & LePrieur

aerial bubble quadrant

INSTRUMENTS - QUADRANTS
Derrien & LePrieur
France, Paris; Japan
9 x 4 in.

Japanese aerial, bubble quadrant. On right side painted "Lokkisha (sign of triangle), No. 16", some Japanese figures; on glass under eye piece "Zero", above lens under eye piece "50"; left hand side has dial with Japanese figures. Made of metal painted black. KLM (3608-62-0008) gyro precision, S/ N-2366, Derrien & LePrieur.


1953.3570