Usage examples (4)

• Just don't load it too much or it pushes through the microgroove on an older barrel.
• Today in 1948, the first successful long-playing microgroove phonograph records were introduced to the public at the Waldorf-Astoria Hotel in New York City.
• (stock / receiver) and 16.5 inches (microgroove barrel) for transport in a blue padded, floatable made-in-America Allen case that itself measures 24.5 inches.
• It is true that, last time around, the new and compatible microgroove records established themselves very quickly; but there was not, then, a record player in almost...