English Brass Sextant Dollond London early 19th century signed on the arc in fitted mahogany case 5.25" (height) 13.3cm (height) 14.25" (width) 36.2cm (width) 11.5" (depth) 29.2cm (depth)

height 13.3cm 14.25 width 36.2cm 11.5 5.25 depth 29.2cm sextant dollond london early 19th century signed fitted mahogany case brass english