There are plenty of ornate clocks in city halls around the world, but this one has a fascinating ... In Strasbourg, the young locksmith saw an astronomical clock with a perpetual calendar in ...

This is an astronomical clock made by Song I-yeong, who was an astronomy professor in 1669 during the reign of King Hyeonjong ...

If the workings of a mechanical timepiece give you a thrill, prepare to be blown away by this over-the-top astronomical clock. The horological masterpiece, which was designed by [Mark Frank] as ...

The astronomical clock has been through many periods of repair ... much of the clock's workings at the end of the Second World War. It was back in operation again by 1948 and modifications ...

This remarkable astronomical clock is one of only two known examples ... Most of the content on A History of the World is created by the contributors, who are the museums and members of the ...