A chart table brass roller-rule engraved ELLIOTT LONDON and inscribed EDWARD M. EATON in mahogany case -- 25in. (68.8cm.) wide; a laquered brass protractor signed Halden & Co., Manchester & London in case -- 9¾in. (24.8cm.) wide; and a brass boat compass with folding sights and gimbal mount in mahogany case -- 11 5/8in. (29.5cm.) wide (3)