TY - CHAP DB - Science History Institute DP - Science History Institute M2 - Courtesy of Science History Institute. Rights: Public Domain Mark 1.0 TI - Telegraph Wires and Insulator T2 - Wonders of electricity and the elements, being a popular account of modern electrical and magnetic discoveries, magnetism and electric machines, the electric telegraph and the electric light, and the metal bases, salt, and acids ID - vvt9faw AU - Ward, Lock CY - London, England DA - 1870/// YR - 1870 UR - https://digital.sciencehistory.org/works/vvt9faw AB - Two illustrations depicting a general view of telegraph wires and a close-up view of the glass or porcelain insulator used to insulate the electrical wires. KW - Electricity KW - Magnetism KW - Electric machines KW - Telegraph KW - Scientific illustration KW - Telecommunication KW - Communication and technology LA - English ER -