BRASS SUNDIAL COMPASS -Solid Brass Pocket Sundial – West London With Wooden Box
How to Use the Pocket Sundial You will need: A) A horizontal surface which is not close to any magnetic (or magnetizable) material. B) To know the latitude of your location ( London is approx. 51.5 degrees North and Glasgow is approx. 56 degrees North) – but you don’t need to be too accurate about this. C) A …