[OS X TeX] [OFF] Antique AV?

[Michael Kubovy]

I believe it's called an epidiascope.

On Aug 27, 2009, at 11:14 PM, Alan Litchfield wrote:

> Looks like a camera obscura.
>
> Alan
>
> david craig wrote:
>>
>> I figure this would be the perfect crowd to see if anyone can  
>> identify
>> this antique piece of AV equipment:
>>
>> <http://web.lemoyne.edu/~craigda/Images/antiqueAV.jpg>
>>
>> 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.
>>
>> Thanks,
>> David Craig

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Professor Michael Kubovy
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