Sundial
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Hello I have to create a sundial for my college project and I want it to tell time for different parts of the world (e.g. other cities) by changing... 5 5/14/2015
How do I design a longitude correction in my sundial? Correct me if I'm wrong My horizontal dial is for Brisbane. The longitude is 153 deg and t... 1 2/9/2015
Who invented the first sun dial? 1 1/20/2014
I have built four simple sundials (horizontal, equitorial, vertical decliner and polar). All show the same time all day, every day. However, they do n... 3 2/1/2013
 
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