April 22, 2017 Plan for Submerging Telegraph Cables, 1858 The laying of telegraph cables were another extension of Britain’s influence besides just the suppression of the slave trade. The Illustrated London News, 11 July 1858. Courtesy of University of Missouri Libraries. Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.