Antique Recording Technologies

Cylinder Preservation and Digitization Project
A digital collection of recordings held by the University of California at Santa Barbara. Includes searchable database, history of cylinder recordings, and donation information.
http://cylinders.library.ucsb.edu/

Digital Needle - A Virtual Gramophone
Audio extraction from images of gramophone records.
http://www.cs.huji.ac.il/~springer/

Recording Consoles of the 20th Century
Contains pictures of most major recording consoles made in the 20th century.
http://www.recordingconsoles.net/

Restoration of the Leak Stereo 20 Valve Amplifier
Provides information on circuit diagrams, parts listing, photographs and restoration advice.
http://www.geocities.com/stereo20/

Yahoo! Groups: AnalogueSynthesisers
Discussion forum for information, classifieds, photos, and general know-how regarding analog and modular synthesizers.
http://launch.groups.yahoo.com/group/AnalogueSynthesisers/