Image: Doliwo-Dobrowolsky
Doliwo-Dobrowolsky.jpg (185 × 231 pixels, file size: 50 KB, MIME type: image/jpeg)
Description: Russian inventor and engineer Michail Ossipowitsch Doliwo-Dobrowolski
Title: Doliwo-Dobrowolsky
Credit: Deutsches Museum Bildarchiv, Online
Author: Unknown
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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