Technology: Debut of a Metal Giant

Seated inside his 11-ft.-tall brainchild, Mechanical Engineer Ralph Mosher moved his legs and arms and sent the 3,000-lb., four-legged mastodon lumbering across the floor at General Electric's Schenectady plant. As Mosher flexed his arms, the monster climbed a stack of heavy timbers to pose like a circus elephant with one foreleg held in the air. A flick of Mosher's wrist swung a 6½-ft. metal leg in an arc and sent the timbers flying. Another flick and the foreleg playfully kicked sand at watching newsmen.

Thus last week, Engineer Mosher introduced CAM, G.E.'s "Cybernetic...

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