Model of an Optical Telegraph, Model of an optical telegraph with code. The telegraaf consists of a wooden board with five different cut-out shapes in a row that can be covered with vertically moving wooden sliders, their movement is controlled by weights in the frames. The code is supplied twice: once on a piece of paper at the bottom of the telegraph board, once on a separate white-painted board. The code gives the signal combinations for the letters of the alphabet., anonymous, United Kingdom, c. 1795 - c. 1816, wood (plant material), brass (alloy), rope, paper, telegraph: h 51.7 cm × w 62 cm × d 2.4 cm code: h 15.5 cm × w 18.3 cm × d 1 cm
Keywords:
Model, Optical Telegraph, optical telegraph, code, telegraaf consists, wooden board, five different cut-out shapes, row, covered, vertically moving wooden sliders, movement, controlled, weights, frames, supplied twice, piece, paper, bottom, telegraph board, separate white-painted board, code gives, signal combinations, letters, alphabet, United Kingdom, c, 1795, 1816, wood, plant material, brass, alloy, rope, telegraph
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