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J. Jougla
Packaging for l'Omnicolore plates
1909-1911 (ca)
Box, back
Private collection of Dan Smith
LL/65857
Omnicolore was an additive three colour French process. Patented in 1906, it was exhibited in 1907 and available to the public from 1909 to 1911.
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LuminousLint 
@LuminousLint