SALISBURY — It was U.S. Patent No. 2,628,465, and it changed the life of Ralph Penley Sr. “It’s a mechanical marvel, what he did,” grandson Bill Penley says today. Back in the early 1950s, Ralph ...
Modern milling machines look much the same as they did 30 years ago. However, they now must cut superalloys, titanium, and high-tensile steels to closer tolerances and at faster rates than before. To ...