Mahogany & Brass Beam Compass, by W & S Jones

English, c.1800, impressed to the boxwood scale 'W & S Jones, 30 Holborn London' with printed trade label to the inside of the lid, the beam compass with boxwood scale, lacquered brass holders, one with screw adjustment, with 2 spikes and a pen attachment, in original fitted case case 81cm

Note: from the collection of Max Edgar Ott, Well Known craftsman and tool collector.