Paulus_Swaen
Maritime hourglass with blown glass bulbs, orange sand, junction ring covered with cord, the circular ebony frame with six turned baluster columns. The invention of the hourglass is attributed to an 8th-century monk in Chartres, France, with the marine sandglass appearing as early as the 14th century. In earlier examples, the bulbs were connected with a material such as putty or hardened wax, bound in leather, linen or string. From about 1720, the two bulbs were welded together over a brass bead...
£1.504