A LARGE ENGLISH OCTANT
John Gilbert, 18th Century
the wooden frame signed to the left of the divided scales J.GILBERT Tower Hill LONDON, the index arm with 20-inch radius, two interchangeable filters, mirror, some attachments missing.
22in. (56cm.) long
A LARGE ENGLISH OCTANT
John Gilbert, 18th Century
the wooden frame signed to the left of the divided scales J.GILBERT Tower Hill LONDON, the index arm with 20-inch radius, two interchangeable filters, mirror, some attachments missing.
22in. (56cm.) long
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