Raymond Burr would star in the television series "Perry Mason". Although the network wanted Burr to continue work on "Fort Laramie" as well, the TV series required an extraordinary commitment and the radio show ended. Known for his loyalty and consciousness of history, Burr went out of his way to employ his radio colleagues in his television programs. Some 180 radio celebrities appeared on "Perry Mason" during the first season alone. Burr emerged as a prolific television character actor in the 1950s. He made his television debut in 1951, appearing in episodes of "Stars Over Hollywood", "The Bigelow Theatre", "Family Theater" and
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