Refers to the interchangeable type font of some impact printing devices, for example, the IBM Selectric "golf ball," Qume of diablo daisywheel, NEC Spinwriter "thimble."
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Refers to the interchangeable type font of some impact printing devices, for example, the IBM Selectric "golf ball," Qume of diablo daisywheel, NEC Spinwriter "thimble."