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On 10/9/2012 8:42 AM, David Lewis wrote:
> Dr. B wrote:
>
> In late 1922
> Hewitt had a visit from Charles Hoxie who was doing sound-on-film
> recording for GE and WGY, and loaned Hewitt some of the equipment.
> Parts of this system was later the basis of the Brunswick Light Ray
> Recording process which is not such a mystery as Dave Lewis seems to
> think!
>>>>
>
> Well, good. Perhaps you can point me to a study on the light ray
> technology. I'm interested in it, but never encountered much on it save
> record collector's scuttlebutt.

Hoxie's two relevant patents are 1,456,595 and 1,637,903. You can get 
them from www.freepatentsonline.com (you have to register). Once you've 
registered and signed in, enter the patent number in the Search window 
and, when you get the option, download the .pdf.

Peace,
Paul