A 19th Century sextant by Troughton London, the ivory handle mounted with an oval presentation plaque inscribed 'Presented by the British Government to Captain Gadsden of the American steamer 'Arago' in testimony of his humanity to the crew of the Brigantine 'George' of St Johns Newfoundland in January 1866', N3076 mounted with coloured filters and lenses, 28cm arc

A 19th Century part brass binocular microscope by Swift and Son London W.C. twin rotating lens and twin wheel

Lot 261
Estimate £500-£700

NEOPOLITAN SCHOOL (LATE 19TH CENTURY) - Portrait of SS Antenor I at sea, oil on canvas, framed, 37cm x 60cm

Lot 278
Sold for £440 hammer

Estimate £500-£600

A large 19th Century Scrimshaw marine tooth, finely carved with a lady in period dress and wearing a bonnet, t

Lot 320
Estimate £500-£700