"Our heroes’ long pursuit of Dracula is largely a matter of tracing the written records of everything Dracula does in England. Note also that the enemies of Dracula coordinate their plan of action with reference to the sequence of events that they have recorded using typewriters and phonographs. (Dracula is the first novel featuring voice memos.) […]
"[And modernity reigns not just in England: even in eastern Europe the pursuers are greatly aided by Mina’s knowledge of when the trains run — and by telegraphs they receive from London. Railway timetables, telegraphs, phonographs, typewriters, invoices, bills of lading, double-entry bookkeeping: these are the instruments by which Dracula’s pursuers draw their net around him."