细节
An 18th Century brass cased boat compass
the dry card unsigned, gimball mounted with glazed cover with screw on corner -- 3in. (8.9cm.) dia; and an unusual marine timing device, the cylindrical brass case with sliding cover and composition plug opening to reveal a gimballed compass numbered 027, the underside with quadrant scale divided 0- 60, the timing device with hour dial divided in ten minute intervals, finely balanced and arranged to swivel within the cylinder -- 8in. (21.6cm.) long
See illustration (2)
the dry card unsigned, gimball mounted with glazed cover with screw on corner -- 3in. (8.9cm.) dia; and an unusual marine timing device, the cylindrical brass case with sliding cover and composition plug opening to reveal a gimballed compass numbered 027, the underside with quadrant scale divided 0- 60, the timing device with hour dial divided in ten minute intervals, finely balanced and arranged to swivel within the cylinder -- 8in. (21.6cm.) long
See illustration (2)
拍场告示
Please note this lot also includes a brass drop thermometer.