[OS X TeX] [OFF] Antique AV?

david craig dac at panix.com
Thu Aug 27 16:32:10 EDT 2009

I figure this would be the perfect crowd to see if anyone can identify 
this antique piece of AV equipment:


I know I've seen one of these things before.   (In fact, I think I may 
have thrown one out of our storage room a couple of years back.)   I 
can't for the life of me place a name to the technology, though.

David Craig


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