Timothy Baycroft and Mark Hewitson, what is A Nation?
One such system often called Zeiss Mark IX on the Hayden Planetarium, New York City, initiatives photos of more than 9,000 stars. This gadget known as Mark I, installed on the Deutsches Museum in Munich by the German firm Carl Zeiss, was mounted inside a dome 32 toes (10 m) in diameter. The princip...