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Photography in Philately

A Krzysztof K. Słowiński Collection

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WR 1932

WR 1932.jpg WM IzoheliaMiniaturyWM IzoheliaMiniaturyWM IzoheliaMiniaturyWM IzoheliaMiniatury

In 1932 Witold Romer received a patent for a solution, filed in 1930, "Devices for the Production of Screened Shades in Printing Formes".
The invention has been implemented in the publishing house "Książnica ATLAS".

By courtesy of TUW Imaging Science Group [Katedra Fototechniki].