There is an active community preserving, restoring, and using mechanical typewriters; your best bet is just to search online for a while to find out what is now there. Here are just a few resources and links that I tend to refer to.
The Early Typewriter Collectors' Association ("ETC") website: http://www.etconline.org/ Their journal, ETCetera has been in print since 1987.
A former (2000-2005) home page for ETCetera is online at: http://typewriter.rydia.net/etcetera.htm
The Typewriter Database is now quite active, and extensive: http://typewriterdatabase.com
Ernie Jorgenson's "Office Machines Americana" is a good commercial site: http://officemachinemanuals.com/
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