This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Lichtelektrisches Saccharimeter ZuckerMuseum. Lichtelektrisches Saccharimeter zur Messung des Saccharosegehalts in der Zuckerindustrie Carl Zeiss ZuckerMuseum Berlin own Photo User FA ZuckerMuseum Berlin Sugar industry Measuring instruments Carl Zeiss company
Page 2023 Free-images.com. All images are Public Domain