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Collections Time Line 20th Century Technology Timeline
Collections Time Line 20th Century Technology Timeline
John Eng's Collections Table of Contents
(SEE LICENSE NOTICE BELOW)
To browse click collection photo link below each section
SECTION 1
1920-1929 The Beginning of Mass Produced Radios in US and the Rise of Radio Engineering
SECTION 2
1930-1937 The Depression and the Rise of the Golden Age of Radio
SECTION 3
1938-1942 Pre War Radios
SECTION 4
1945-1959 Post War Radios and the Baby Boom Generation
SECTION 5
1960's Goodbye Vacuum Tubes and made in USA
SECTION 6
Transistor Radio Collection
SECTION 7
Televisions 1946-1999
SECTION 8
Communication Receivers, Transmitters and Tranceivers
COMMUNICATION RCVRS XMITRS AND XCVRS
SECTION 9
Vintage Electronic Test and Measurement Equipment
VINTAGE ELECTRONIC TM EQUIPMENT
SECTION 10
Recording Electronics, Phonographs, and Home Electrics
RECORDERS, PHONOS & SMALL ELECTRICS
SECTION 11
Vacuum Tubes & Tungars, Transistors and Product Evolution
VINTAGE VACUUM TUBES AND TRANSISTORS
SECTION 12
Dead Technology Restoration and Repair Ideas
Marconi-
Demonstration of practical use and commercialization of wireless transmission.Flemming-
invention of the diode vacuum, tube for detection of wireless code transmissions.DeForest-
Amplification with Triode Vacuum TubeArmstrong-
Father of Practical Radio using the vacuum tube for Regeneration, Superheterodyne and FMSarnoff-
President of RCA : Technology Trend MoverBaird-
Television System Demonstration with mechanical disc television systemFarnsworth-
Wireless Video Transmission for an electronic television systemDumont-
Magic Eye Tube and Perfected the CRT. Made the picture tube a mass produced technologyZyworkin-
Practical TelevisionNTSC SystemBardeen, Brittain and Shockley
Transistor InventionRCA
NTSC Compatible Color TelevisionKilby (TI) and Noyce (Fairchild later Intel)
The Integrated CircuitAKA : "Micro Chip"
Edwin Howard Armstrong, The Actual Father of Radio
Demonstrating his Superhetreodyne radio invention with his wife, Marion MacInnis at a Florida beach in 1923. The radio was her wedding present. This was considered a portable radio
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