BY CHAS. C. HUTCHINSON, BOSTON, EARLY 19TH CENTURY
細節
AN EBONY AND BRASS OCTANT
BY CHAS. C. HUTCHINSON, BOSTON, EARLY 19TH CENTURY
ebony frame with brass arm and fixtures including filters sighting hole and adjusters. Ivory scales and ivory inlaid maker's mark in a mahognany box, 11 x 8in. (27.9 x 22.4cm.)
BY CHAS. C. HUTCHINSON, BOSTON, EARLY 19TH CENTURY
ebony frame with brass arm and fixtures including filters sighting hole and adjusters. Ivory scales and ivory inlaid maker's mark in a mahognany box, 11 x 8in. (27.9 x 22.4cm.)