Ad99998 04 057a/eng
Telegraphen
Beschreibungstext eng
Miscellanies. XLI. Vol. IV. No. 55., TELEGRAPHS., The Telegraph is a machinery which is ufed at present especially in military bufiness and warlike undertakings, to* give a certain and fpeedy notice to a great diftance., The art whicli is called Telegraphy, is ancient, but the contrivance o£ the present machine is nevv, and invented by the French, who particularly in the last war employed it with the greatest advantage. The fïrst Telegraph was erected at the Louvre in Paris; the fécond at Lisle in Flandres, and immediately proper correspondance was carried on., Fig. 1. The Telegraph of the Louvre in Paris., This figure represents the outfide view of the Telegraph. Through the ceiling of a small room whofe fide-walls consist ail around of Windows, paffes a strong pole, on the top of which the machine is erected and managed with cords, or strings. The Telegraph itself consists of a board or rather frame about 9 or 12 feet long and 14 inches broad. On the two ends of it two other boards of the fnme breadth b, ut only Hals as long are joined. The whole machine is linked together with hinges and provided with cords, by which the variousparts aremoved, and the différent angles and other figures produced which in Telegraphy are adopted for Letters or the lignification of words. Better shews, Fig. 2. The Telegraph of Lisle., the interiour mechanism and contrivance along with the obfervatory. Upon the roof stands an Officer who with a good Télescope obferves the next Telegraph in motion. This officer dictâtes to a Secretary that fits under him ail his obfervations from word to word. When the report is finished the Secretary dictâtes to the Machinist who manages the Telegraph, every motion and figure which is neceffary, and in this manner a received report is inflau tly dêïiveyed to the next Telegraph.
