Boart Longyear John Hoffmeister as president and chairman of the board of the company. FACTS was dissolved when Boart International (a wholly owned subsidiary of Anglo American) bought out CDP's interest in Longyear. In 1974, Boart International invested capital which helped Longyear to become the world's leading manufacturer of diamond bits. Boart Longyear engineers in North Bay, Ontario, secured a reliable source of high-performance synthetic diamonds, which triggered the development of a new bit design – the impregnated-diamond bit. With decades of powder metallurgy experience behind them, Longyear engineers set out to develop a new crown that consisted of synthetic diamonds evenly
What the Industrial Revolution Did for Us idea and inventions of the Industrial Revolution that created the features of modern transportation. Cruickshank travels around Britain to introduce the idea and inventions of the Industrial Revolution that created the features of modern medicine. Cruickshank travels around Britain to introduce the idea and inventions of the Industrial Revolution that created the features of modern warfare. Cruickshank travels around Britain to introduce the idea and inventions of the Industrial Revolution that created the features of modern city life. What the Industrial Revolution Did for Us What the Industrial Revolution Did for Us is a BBC documentary series produced in conjunction