US385886. Tainter, S. (1887, December 24)
Posted: Wed Jul 18, 2007 2:59 amImproved disc graphophone.
Narrow-Bandwidth Television Association
Forum for discussion of television and imaging using mechanical, radio, and early electronic systems.
http://www.taswegian.com/NBTV/forum/
US385886. Tainter, S. (1887, December 24)
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Posted: Wed Jul 18, 2007 2:59 am