telegraphy in the United Kingdom
... that telegraphy in the United Kingdom included a system that strung wires from rooftop to rooftop of domestic premises?
... that <b id="mwBS0"><a href="./Electrical_telegraphy_in_the_United_Kingdom" id="mwBS4" rel="mw:WikiLink" title="Electrical telegraphy in the United Kingdom">telegraphy in the United Kingdom</a></b> included a system that strung wires from rooftop to rooftop of domestic premises?