David Hayさんのイラストまとめ

BT launched Hub 5 #OTD 2013, then most powerful hub router. BT's latest award winning Smart Hub is even better https://t.co/mQmnuMUu9a

#OTD 1960 Enfield Telephone Exchange goes automatic, last manual switch of its type in London . https://t.co/lZdECJreWQ #sminfoage #archives

No rhino was hurt in the making of this 2002 BT Broadband advert (1'15" in) https://t.co/X13e7z80eJ #WorldRhinoDay #telecoms #archives

Shortly to be interviewed by Sarah Walker on @BBCBerkshire on the history and future of BT's phone book. Our #archives set go back to 1880

#OTD 1890 BT ancestor The National Telephone Co opened a London to Birmingham trunk circuit, first UK North - South phone link #telecoms

#OTD 1965 the GPO radiophone mobile telephone service opened in London with a call from Tony Benn to BBC Richard Dimbleby in his Rolls Royce

BT opened the first System X processor-controlled digital switching system telephone exchange in London 1 July 1980 #telecoms #HistSTM

#OTD 10 July 1890 we opened a trunk circuit linking London to Birmingham, first North - South telephone comms in UK

Home technology & gadgets of the 1970s - including the 764 mk 2 telephone keyphone https://t.co/Inyl36tToD

#OTD 10 Jul 1890 we opened a trunk circuit linking London to Birmingham, first North - South telephone comms in UK