History of the Telephone By Luke_1734 1876 Alexander Graham Bell’s Liquid Transmitter 1876 Centennial Model 1877 Commercial Telephone 1882 Blake Wall Phone 1892 Desk Set 1913 Wall Set 1919 Dial Telephone 1928 New Desk Phone 1938 Touch Key 1956 Updated Wall Phone 1964 Touch Tone 1968 Trimline Phone 1973 First Mobile Phone 1992 First Smartphone
