Inventadas por Charles L. Krum, os primeiros teleprinters, tinham um teclado do estilo máquina de escrever para a introdução das mensagens e um rolo de papel para a saída das mensagens impressas.
Archive for the 'telégrafo' Category
1902 - The first Teleprinters
Published by Salif October 19th, 2006 in timeline, máquina de escrever and telégrafo. 0 CommentsComputing 1805-1866 - The Electric Telegraph
Published by Salif October 3rd, 2006 in telégrafo. 0 CommentsComputing 1805-1866 - The Electric Telegraph
“In 1825, the British amateur physicist William Sturgeon (1783-1850) noted that if an iron slug was placed inside a coil of wire its magnetic properties could be controlled by passing a current through the coil. It became an “electro-magnet” when a current was passed, and could be used to suspend […]
