1 History
1.1 Early innovations
1.1.1 Hansen Writing Ball
1.1.2 Sholes and Glidden Type-writer
1.2 Standardization
1.2.1 Frontstriking
1.2.2 Shift key
1.2.3 Character Sizes
1.2.4 "Noiseless" designs
1.3 Electric designs
1.3.1 Early electric models
1.3.2 IBM Selectric
1.3.3 Later electric models
1.4 Typewriter/printer hybrids
1.4.1 Electronic typewriters
1.5 End of an era
2 Correction technologies
2.1 Typewriter erasers
2.2 Eraser shield
2.3 Erasable bond
2.4 Correction fluid
2.5 Dry correction
3 Legacy
3.1 Keyboard layouts
3.1.1 QWERTY
3.1.2 Other layouts
3.2 Typewriter conventions
3.3 Computer jargon
4 Early social effects
5 Authors and writers who had notable relationships with typewriters
5.1 Early adopters
5.2 Others
5.3 Late users
6 Typewriters in popular culture
6.1 In music
6.2 Other
7 Forensic examination
8 Gallery
9 See also
10 References
10.1 Patents
11 Further reading
12 External links
12.1 Revival