Character Printers

References

[Tonh] Computer museum tonh http://www.tonh.net/printers.html

[Selectric] Wikipedia, "IBM Selectric Typewriter" http://en2.wikipedia.org/wiki/IBM_Selectric_typewriter

[Batchelor] Ben Batchelor, "History of the IBM Typewriter " http://www.etypewriters.com/history.htm

[Teleprinter] Wikipedia, "Teleprinter" http://en2.wikipedia.org/wiki/Teletype

[Telegraphy] Wikipedia, "Telegraphy" http://en2.wikipedia.org/wiki/Telegraphy