On This Day in Telephone History April 20TH 1964
The picturephone debuts at the New York Worlds Fair with the first transcontinental video call to Disneyland California.
The picturephone debuts at the New York Worlds Fair with the first transcontinental video call to Disneyland California.
The First Commercial Telephone Exchange in Massachusetts opened in Lowell. It was the First Massachusetts Exchange to be connected Long Distance to The Boston Telephone Dispatch Company in Boston. The Lowell Telephone Exchange merged with The Boston Telephone Dispatch Company and Transformed into The New England Telephone And Telegraph Company.
Earthquake and Fire Swept San Francisco Destroying 490 Blocks of the City Service to the City’s 50,000 Telephones Completely Disrupted. Only two Central Offices Escaped Serious Damage. within two Months 9,000 Telephones were back in Service. Another 20,000 Restored By January 1st .
1957 Bell Laboratories announced development of magnetic tape machine capable of transmitting 1,000 words a minute -16 times faster than conventional teletypewriter systems. 1963 AT&T introduced the new cable ship long lines at Baltimore. the $19 million vessel, first of her type to be built for operation under the U.S. flag, was designed to string … Read more
On This Day in Telephone History, April 16, 1903, Load of Telephone Poles Delivered.
On This Day in Telephone History April 15, 1956, San Diego, CA became first large city where all customers could dial their own calls to millions of other telephones in metropolitan areas from coast to coast.PRIOR TO DIRECT DISTANCE DIALING LONG DISTANCE TELEPHONE CALLS WERE PLACED THROUGH A LONG DISTANCE OPERATOR
On This Day in Telephone History April 14TH 1877 Emile Berliner filed a Variable-Pressure Transmitter Caveat. Berliner discovered that the minute atmospheric vibrations due to sound waves would cause a diaphragm to vibrate, which vibrations, by varying the pressure between the point of contact between metallic electrodes, in constant contact, produced variations of electrical resistance … Read more
On This Day in Telephone History April 13TH 1951, the FCC approved AT&T’s acquisition of Western Union’s Pacific region telephone business and Western Union’s acquisition of AT&T’s Pacific region telegram business.
On This Day in Telephone History April 12, 1954, the First Transistorized Telephone Repeater was put into operation at Americus, Georgia. The telephone repeater included transistor amplifiers made on printed circuit boards, which was also a first of this technique on Bell telephone lines. Amplifier elements such as transistors, condensers, and resistors are mounted on … Read more
On This Day in Telephone History April 11TH 1921 Opening of the First Havana-Key West Deep Sea Cable. The program included talks from Havana to Santa Catalina Island, 5,500 miles away.