Quote:
Originally Posted by Ed Workman
<<<....... the stereopticon would have to have side-by-side lenses instead of one-above-the-other lenses, just to make room for the shift lenses.>>>
Stereo/3D uses 2 separate images spaced laterally at roughly eye spacing [YMMV] so the lenses MUST be side by side taking or projecting. Photographs were made to be contact printed and viewed in the holder/viewer that allowed one's eyes to merge the two images into a , voila', 3D image. Other later methods use red and blue images viewed thru cheap 'spectacles'.
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Absolutely true,
Ed... however, the stereopticon wasn't a stereo (read: 3D) projector.
If you follow the link provided by
HossC in his post, you can see that the “stereo” in stereopticon refers simply to there being two lenses -
one on top of the other - nor were the viewers on the street expected to be wearing 3D glasses:
Wikipedia
The first lens projects an image. Then this image is faded out, while the image from the second lens is faded in - this allows the images to fade in and out, as opposed to the instant, hard switch that would occur when using only one projector.
When it comes to photography, the word “stereo” virtually always refers to a device that either captures or projects a 3D image... but not in this specific case!
Quote:
Originally Posted by HossC
Here's a slightly clearer view of the same mystery object, still standing in 1926. Is it more than a water trough?
Detail of picture in USC Digital Library
Despite all the vintage pictures I've looked through, I still haven't figured out where Mr Miller kept his projector.
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Very interesting,
Hoss! A water trough for horses makes perfect sense (and God knows where the projector was located!).
Quote:
Originally Posted by GaylordWilshire
Re horse troughs
LAT March 9, 1928
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Nailed it, GaylordWilshire! Concrete evidence that it was a horse trough! Thank you!