Bogardus

Bogardus, James, 1800-1874, an American inventor, was a watchmaker's apprentice. He began by improving the construction of eight-day clocks, and afterwards invented an engraving machine, a dry gas-meter, a transfer machine for producing bank note plates from separate dies, a plan - adopted by the British Government - for making postage stamps, a pyrometer, a deep-sea sounding apparatus, and a dynamometer. He also improved the manufacture of india rubber goods.