This achromatic telescope is typical of the type used on board ship in the mid-19th century. It has a tapering leather-covered barrel and a single draw tube made of silvered brass. The other fittings include a pivoted eyepiece cover, an objective lens cap and a sliding sun shade. The maker's name is inscribed on the draw tube, 'Dollond LONDON', beneath a crest bearing the motto 'VINCIT AMOR PATRIAE' ('The love of my country prevails'). In addition, there is a panel of signal flag codes set into the barrel, produced by the firm of Emanuel of Portsmouth and Portsea, possibly at a later date. The telescope once belonged to F. I. Pelham, who commanded HMS 'Duke of Wellington' in the Baltic Expedition of 1855.