Needles
Needles Replaceable needles were a hallmark of the 78-rpm period. They were made of various materials: steel, chrome, fibers, thorn, cactus, sapphire, and diamond. Some needles were designed for a single play only (e.g., the Beltona), others played as many as 10 records (e.g., the Petmecky), and some went on to 20 or more performances (e.g., the Euphonic). With the popularity of the juke box in the 1930s there was improved needle design: alloy tipped shockproof needles came into use, capable of…