An “ultrasonic can opener” for opening steel-encased unexploded bombs without generating excessive heat is being studied by engineers at its commercial apparatus and systems division plant in Norwood, the Raytheon Co. announced this week.
The engineers are experimenting with what is called a “silent sound” tool under a contract from the U.S. Navy’s Bureau of Weapons.
Ultrasonic impact grinders are now widely used in industry to cut hard and brittle materials. A tooltip, moving up and down 25,000 times a second, drives an abrasive liquid against the work to be cut. Although the tool itself never touches the work, the tiny particles in the liquid cut the work to an accuracy of two 10,000ths of an inch.
Fri, Dec 2, 1960 – The Berkshire Eagle (Pittsfield, Massachusetts)
More Norwood Business History
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Norwood Park Place Industrial Park Advances-September 12, 1978
Norwood Planning Board releases $50,000 in performance bonding for the Park Place industrial park on Route 1 as roadway and building construction progresses.

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Plans Unveiled to Revitalize Norwood Central Business District with Traffic Improvements-September 12, 1978
Consultants unveil a revitalization plan for Norwood’s central business district featuring traffic modifications, pedestrian amenities, and parking optimization.

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Analog Devices Plans Major World Headquarters Expansion Into New 33-Acre Norwood Industrial Park-August 23, 1978
Computer equipment giant Analog Devices plans a 50,000-square-foot headquarters facility in a new 33-acre Route 1 industrial park, pending state and local sewer connection approvals.

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John Shalbey Jr. Proposes Office Building Behind Ro-Jo Car Wash-August 9, 1978
Local businessman John Shalbey Jr. faced mixed reactions from David Terrace residents while seeking a zoning variance for an office building behind his Route 1 car wash.

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South End Hardware: A Landmark Institution-July 5, 1978
In 1978, the Abdallah family’s South End Hardware in South Norwood stood as a testament to four generations of community service and local history.

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LaRosa Brothers Step Down from The Village Inn after 15 Years-June 7, 1978
A beloved Guild Square culinary staple prepares for a structural transition as its founding brothers head toward retirement after a 15-year run.

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Polaroid Studies Route 1A Access Road to Resolve Expansion and Traffic Concerns-November 2, 1977
Responding to resident protests over Nahatan Street traffic, Polaroid is studying a Route 1A access artery to clear the way for plant expansions that could grow employment to 5,000.

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Kline’s Announces Major Expansion into Woolworth’s Space-September 2, 1977
The uptown shopping district is slated for a major retail transformation by the Christmas holiday season as Kline’s Department Store, located at 678 Washington Street, undertakes a comprehensive expansion and renovation project absorbing the adjacent former Woolworth’s building. Retail Expansion and Renovation Timeline According to Kline’s manager Norman Treckman, F.W. Woolworth Co. will close its…

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Roller Skaters Roll Up $3,200 in 24-Hour Skate-A-Thon for Muscular Dystrophy-August 31, 1977
Endurance, enthusiasm, and a whole lot of wheels came together at Roll-Land as approximately 30 dedicated skaters successfully completed a grueling 24-hour skate-a-thon, raising at least $3,200 for the Jerry Lewis telethon drive in the fight against muscular dystrophy. Marathon Success and Community Spirit Kicking off at 6:00 p.m. Monday, the marathon concluded at approximately…

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