细节
A 19th-century brass compass,
signed Troughton & Simms LONDON, the circle divided in four quadrants, with edge-bar needle on jewelled pivot, in mahogany case 5in. (12.7cm.) square
signed Troughton & Simms LONDON, the circle divided in four quadrants, with edge-bar needle on jewelled pivot, in mahogany case 5in. (12.7cm.) square