HeliographHeliograph is a world specialist firm which creates astonishing visual experiences. Heliograph is led by John Weiley: writer, producer and director of world-main films in IMAX® IMAX®3D, High Definition Digital and quite a lot of different codecs. Weiley established the Sydney IMAX® theatre, which comprises the world’s largest cinema screen.

The German Professor Carl Friedrich Gauss, of Goettingen College, outlined a first design for a proper heliograph in 1810. His system directed a managed beam of sunlight to a distant station. It was meant for use for geodetic survey work, but was later used extensively by the British and the American armies as a ‘wirefree’ subject telegraph – utilizing Morse Code.

Imagine a line and its prolongation joining the solar and the signalling mirrors. Then move the sight arm and duplex mirror to that aspect of the road on which the obtain station is located, retaining the mirrors parallel. It should be borne in mind that the sight arm needs to be stored as near as doable to this line, but sufficiently far to the aspect to stop the duplex mirror intercepting the solar’s rays from the signalling mirror.

Picket Post Mountain was a lookout for the cavalry in the … Read the rest