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![The Carl Zeiss refractor built in 1910 with an equatorial mounting and... | Download Scientific Diagram The Carl Zeiss refractor built in 1910 with an equatorial mounting and... | Download Scientific Diagram](https://www.researchgate.net/publication/284480957/figure/fig4/AS:406049245941763@1473821092964/The-Carl-Zeiss-refractor-built-in-1910-with-an-equatorial-mounting-and-a-main-objective.png)
The Carl Zeiss refractor built in 1910 with an equatorial mounting and... | Download Scientific Diagram
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