[Alt-photo] Poitevin 1855

`Richard Knoppow dickburk at ix.netcom.com
Fri Sep 23 08:28:37 UTC 2016

    I've lost track of what this is about but this patent relevant?

USP 36,821

On 9/23/2016 12:08 AM, Alberto Novo via Alt-photo-process-list wrote:
>> Here is the British patent I found once in a book. Never could find the
>> French one which does have some variation apparently
> Thank you so much, Peter!
> May you also give me the full citation (author(s), title, publisher, year, pages)?
> Alberto
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Richard Knoppow
dickburk at ix.netcom.com

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