Phone Pioneers Talk Telephone
Video: Phone Pioneers Talk Telephone
Anti-sidetone circuit developed
Anti-sidetone circuit developed
ITT gives Pope Piux XI a gold phone
ITT gives Pope Piux XI a gold phone
Bell Labs engineers demonstrate microwaves guided through a hollow metal pipe
Bell Labs engineers demonstrate microwaves guided through a hollow metal pipe
The World's Switchboard!
Video: The World's Switchboard!
Gray discovers the Gray graph
Gray discovers the Gray graph
Nazis launch anti-semitic campaign against (and ultimately seizure of) Jewish-owned Fuld & Co.
Nazis launch anti-semitic campaign against (and ultimately seizure of) Jewish-owned Fuld & Co.
ITT's Behn meets with Hitler, begins cash payments to the SS and Gestapo
ITT's Behn meets with Hitler, begins cash payments to the SS and Gestapo
Bell Labs engineers discover that attenuation drops as wave frequency increases
Bell Labs engineers discover that attenuation drops as wave frequency increases
Communications Act of 1934
Communications Act of 1934
AT&T terminates exclusivity with Gray, designs its own payphones
AT&T terminates exclusivity with Gray, designs its own payphones
Bell Labs scientists pioneer crystal lattice (quartz) filters
Bell Labs scientists pioneer crystal lattice (quartz) filters
Anglo-Icelandic radio telephone service inaugurated
Anglo-Icelandic radio telephone service inaugurated
First phone call routed around the world
First phone call routed around the world
Salvador Dali makes dial compact for Elsa Schiaparelli
Salvador Dali makes dial compact for Elsa Schiaparelli
Introduction to the Dial Telephone (AT&T)
Video: Introduction to the Dial Telephone (AT&T)
Dali creates the Lobster Phone
Dali creates the Lobster Phone
Speech synthesizing system demoed at Bell Labs
Speech synthesizing system demoed at Bell Labs
Mead, Carson and Schelkunoff publish their 'Hyper frequency wave guides' paper
Mead, Carson and Schelkunoff publish their 'Hyper frequency wave guides' paper
Jean Arthur in Easy Living
Video: Jean Arthur in Easy Living
Alec Reeves conceives of pulse code modulation
Alec Reeves conceives of pulse code modulation
First Nobel awarded for work done at Bell Labs (electron diffraction)
First Nobel awarded for work done at Bell Labs (electron diffraction)
Stibitz builds the 'Model K' relay adder (calculator) on his kitchen table
Stibitz builds the 'Model K' relay adder (calculator) on his kitchen table
The Voice of the City (Operators)
Video: The Voice of the City (Operators)
Operator! 1938 video profiling operators.
Video: Operator! 1938 video profiling operators.
Crossbar switching introduced
Crossbar switching introduced
National Federation of Telephone Workers (NFTW) formed
National Federation of Telephone Workers (NFTW) formed
The Voder - Homer Dudley (Bell Labs) 1939
Video: The Voder - Homer Dudley (Bell Labs) 1939
p-n junction (transistor/solar precursor) invented at Bell Labs
p-n junction (transistor/solar precursor) invented at Bell Labs
