Raymond Burr when they began casting the role of Los Angeles district attorney Hamilton Burger in the CBS-TV series "Perry Mason". As a young man Burr weighed more than 300 lbs., which limited his on-screen roles. "But in radio this presented no problems, given the magnificent quality of his voice," reported "The Globe and Mail". "He played romantic leads and menacing villains with equal authority, and he earned a steady and comfortable income." Working steadily in radio since the 1940s, often uncredited, Burr was a leading player on the West Coast. He had a regular role in Jack Webb's first radio show,
Burr (edge) for a significant portion of manufacturing costs. In the printmaking technique of drypoint, burr, which gives a rich fuzzy quality to the engraved line, is highly desirable—the great problem with the drypoint medium is that the burr rapidly diminishes after as few as ten impressions are printed. There are three types of burrs that can be formed from machining operations: "Poisson burr", "rollover burr", and "breakout burr". The rollover burr is the most common. Burrs may be classified by the physical manner of formation. Plastic deformation of material includes lateral flow (Poisson burr), bending (rollover burr), and tearing of material