oz.Typewriter: On This Day in Typewriter History (LXXXIV)
The IBM ´golf ball´ typewriter revolutionised the 1960s office. For the first time a single machine offered interchangeable typefaces, a carbon ribbon... - SuperStock
Typewriter - IBM Corporation, Selectric 1 Model 71, circa 1967
IBM Selectric II Typewriter Golf Ball Madness!
The IBM ´golf ball´ typewriter revolutionised the 1960s office. For the first time a single machine offered interchangeable typefaces, a carbon ribbon... - SuperStock
Design Moment: IBM 'Golf Ball', 1961 – The Irish Times
A Whole New Ball Game – E.T.ZONE
Golfball | Howard Beattie | John Hickerson | V&A Explore The Collections