#tbt - The astronomical telescopes developed in the 1890s by the "Astro" departm...

#tbt - The astronomical telescopes developed in the 1890s by the "Astro" department at ZEISS were the largest and most powerful instruments in use by the turn of the century. In particular, the reflecting telescopes for Heidelberg Observatory and Innsbruck Observatory earned ZEISS an excellent reputation in the world of astronomy. Visit http://ift.tt/1tMklZF to learn more about the history of ZEISS.









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