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ANTIQUE OCTANT. No.7
ANTIQUE OCTANT. No.7
A mid 19th century navigators Octant. Unsigned brass 'T' frame design, with worn trade label inside box.
The silver scale is engraved from -5 degrees to 115 degrees and reading to 98 degrees. The index arm has swinging scale magnifier, the silver vernier scale reads from 0 to 10 seconds of arc.
Complete with two sighting telescopes, telescope sun filter and mirror adjusting pin, contained within its original mahogany box with lock key.
Height: 9.5 inches / 24 cm, Radius: 7.5 inches / 19cm.
Front side of the antique octant with telescopes, eye piece filters and accessories.
A close up of the antique octant showing silver scale.
Exterior of the hardwood octant carrying case / storage box.
Reverse side of the antique octant and accessories.
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