Unique lot of 1930's to 50's Otto Syreeni's Patented COLOUR NOTES System Items for Sale

Unique lot of 1930's to 50's Otto Syreeni's Patented COLOUR NOTES System Items For Sale

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Unique lot of 1930's to 50's Otto Syreeni's Patented COLOUR NOTES System Items:
$100.00

This is a lot of papers and color charts related to a Finnish inventor and industrialis Otto Syreeni, who had a 1950's patent for a color chart system, related to reliably presenting the desired effects of certain chemical dyes on fabric.
The lot has several patent application related attachments, different color charts and papers explaining the workings related to his color system. Writing appears in Finnish and English, see photos.
This mostly has interest to people working with current color systems or dye developing and wanting to archive a quite a unique piece of their industry.
Shipping from Finland, Europe.