细节
A German Duck-Bill corkscrew,
W. Sommers 1897 patent, unmarked, centre worm; five German Spring-shaft Hercules type corkscrews, one marked; four German Spring bell corkscrews including two nickel-plated examples; and a bell-cap corkscrew, traces of plating (11) (10)
W. Sommers 1897 patent, unmarked, centre worm; five German Spring-shaft Hercules type corkscrews, one marked; four German Spring bell corkscrews including two nickel-plated examples; and a bell-cap corkscrew, traces of plating (11) (10)