AN OCTANT FOR THE AMERICAN MARKET
Spencer, Browning & Co, early 19th century
the ivory inlay sigend Spencer, Browning & Co London, the ivory scale punched SBR divided 0-100° with vernier on 10-inch radius arm, double pin hole sights, three filters, in wooden case with retailer's label for S. THAXTER & SON, Importers and Dealers in NAUTICAL & SURVEYING Instruments ... BOSTON.
13in. (33cm.) long in case
AN OCTANT FOR THE AMERICAN MARKET
Spencer, Browning & Co, early 19th century
the ivory inlay sigend Spencer, Browning & Co London, the ivory scale punched SBR divided 0-100° with vernier on 10-inch radius arm, double pin hole sights, three filters, in wooden case with retailer's label for S. THAXTER & SON, Importers and Dealers in NAUTICAL & SURVEYING Instruments ... BOSTON.
13in. (33cm.) long in case
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