Model of an Optical Telegraph, anonymous, c. 1806 demonstration model Model of an optical telegraph on octagonal base. De Telegraaf consists of a mast with three rotating arms; These consist of a slat to keep their weight low, and are on one side black, on the other, which only serves as a counterweight, white and open, so that this is practically invisible at a distance. Each arm has six positions. On the foot, half an octagonal cabin with a pointed roof has been built, which shows the inside and the operation of the Sein mechanism. model maker: Netherlands (possibly)after design by: France w
Model of an Optical Telegraph, anonymous, c. 1806 demonstration model Model of an optical telegraph on octagonal base. De Telegraaf consists of a mast with three rotating arms; These consist of a slat to keep their weight low, and are on one side black, on the other, which only serves as a counterweight, white and open, so that this is practically invisible at a distance. Each arm has six positions. On the foot, half an octagonal cabin with a pointed roof has been built, which shows the inside and the operation of the Sein mechanism. model maker: Netherlands (possibly)after design by: France wood (plant material). iron (metal). lead (metal). glass. rope
Size: 4325px × 6284px
Photo credit: © piemags/rmn / Alamy / Afripics
License: Licensed
Model Released: No
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