An English brass Whelan type corkscrew. This unmarked example is an early copy of the Whelan design which was patented in 1881 and made in steel. The perfect centre cut worm is screwed into the cork by turning the whole implement and then the cork is removed by pulling up the three-finger sliding eyebrow shaped handle. Circa 1900.
Dimensions: 15.4 cm when open (11.6 cm high when closed) by 8.4 cm wide.