The earliest true telegraph put into widespread use was the optical telegraph of Claude Chappe, invented in the late 18th century. The system was extensively used in France, and European countries controlled by France, during the Napoleonic era. The electric telegraph started to replace the optical telegraph in the mid-19th century. It was first taken up in Britain in the form of the Cooke and Wheatstone telegraph, initially used mostly as an aid to railway signalling. This was quickly followed by a different system developed in the United States by Samuel Morse. The electric telegraph was slower to develop in France due to the established optical telegraph system, but an electrical telegraph was put into use with a code compatible with the Chappe optical telegraph. The Morse system was adopted as the international standard in 1865, using a modified Morse code developed in Germany.
Material: green wood, electronic components
Type: STEM toys, DIY toys
Suggested Age: 7 years and up
Batteries: 2*AA (not included)
Package: PE ziplock bag*
*Some orders are individually packaged in cartons, but this is not guaranteed.
Note: this is a DIY kit, you need to assemble it
WARNING: CHOKING HAZARD - Small parts. Not for children under 3 yrs.