Two mechanical cork screws by James Heeley & Sons. In 1888 Neville Heeley patented the most successful mechanical corkscrews in history, a double lever design, strong, durable, simple to use and most importantly it worked, known as the James Heeley & Sons A1 double lever corkscrew. It was so successful it was in manufacture for more than 60 years. The other corkscrew is a lever patent no 1280425, made in 1884 for Heeley & Sons. Both corkscrews are clean and in working order.