.jpg?w=1)
细节
A mid-late 19th Century 7in. radius vernier sextant by Norie & Wilson
The oxcidised brass tulip frame with inset ivory scale divided 5- 0- 140, with polished brass arc signed Norie & Wilson, London, vernier with clamp, fine screw adjustmest and swivel magnifier, seven shades, two mirrors, telescope and ebony handle all within a fitted box with accessories and trade label for Samuel Thaxter & Son, Boston -- 11in. (28cm.) wide
See illustration
The oxcidised brass tulip frame with inset ivory scale divided 5- 0- 140, with polished brass arc signed Norie & Wilson, London, vernier with clamp, fine screw adjustmest and swivel magnifier, seven shades, two mirrors, telescope and ebony handle all within a fitted box with accessories and trade label for Samuel Thaxter & Son, Boston -- 11in. (28cm.) wide
See illustration