Clarke's famous pennywhistles have been around since 1843. The Clarke tinwhistle of today retains all the essential features of those played by Whistling Billy 150 years ago. The instrument is still made of the same basic materials. Delicate operations continue to be done by hand. Most importantly, the traditional conical bore has been retained to give the instrument its unique timbre and rounded tone. The sheets of tin plate are handrolled and soldered. After polishing, the wooden plug, or fipple, is inserted. Then each instrument is voiced to ensure a good clear sound. Handmade in England of rolled tinplate with a wooden fipple plug, coated with black lacquer, and labeled and decorated with gold lacquer.