IBM "golf ball" | Typeball for the IBM Selectric typewriter.… | dr. shordzi | Flickr
IBM Selectric golf Ball Vintage Electric Typewriter in Original Emerald Green Color, Switzerland c. 1960 - Etsy | Typewriter, Typewriters series, Electric typewriter
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IBM Selectric Typewriter Resource Page
THBTW318 Typewriter IBM Selectric III Golf Ball Electric • Trevor Howsam Limited (Boston)