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| .Abbreviated History Timeline of Wireless Radio Communication | History Timeline of Wireless Click Here
| A.W. Bowman Loose Coupler for Radio Reception | A.W. Bowman Loose Coupler for Radio Reception
|  | | Acme Murdock 1/4 Kilowatt Spark Radio Transmitter | Acme Murdock 1/4 Kilowatt Spark Radio Transmitter WORKS
|  | | Adams Morgan and A.W. Bowman Sears Crystal Detectors | Adams Morgan, A.W. Bowman (Sears), and Unknown Crystal Detector
|  | | Adams Morgan Crystal Radio | Adams Morgan AM Crystal Radio
|  | | Amrad or Radio and Research Quenched Spark Gap | Amrad or Radio and Research Quenched Spark Gap
|  | | Clapp-Eastham 1 Kilowatt Radio Transmitter | This full kilowatt spark transmitter made by Clapp-Eastham is from 1914.
|  | | Clapp-Eastham 1/4 Kilowatt Radio Transmitter | One-quarter kilowatt spark transmitter.
|  | | Clapp-Eastham Blitzen Radio Crystal Receiver | Clapp-Eastham Blitzen Radio Receiver from 1912
|  | | Clapp-Eastham Blitzen Variometer and Detector | Clapp-Eastham variometer and detector.
|  | | Clapp-Eastham Chief Engineer Sperical Audion Receiver | Clapp-Eastham Chief Engineer Sperical Audion Radio Receiver
|  | | Clapp-Eastham Crystal Radio | Crystal Radio Receiver
|  | | Clapp-Eastham Radio Loose Coupler | Clapp-Eastham Loose Coupler from the late teens.
|  | | Coherer Radio Wireless Detector | Coherer Radio Wireless Detector
|  | | Commerce Radiophone Crystal Radio | Commerce Radiophone Crystal Radio 1919
|  | | Connecticut Telephone & Electric DT-3 Radio | Connecticut T & E DT-3 one tube radio detector box.
|  | | Deforest BC14A Crystal Radio Receiver | Deforest BC14A Crystal Radio Receiver 1918
|  | | Deforest P 200 Radio Amplifier | Deforest P 200 Two Tube Radio Amplifier. 1919
|  | | Deforest RJ4 Spherical Audion Radio | Deforest RJ4 Spherical Audion Radio from 1914
|  | | Eaton Oscillator, Wireless Specialty for Radio | Eaton Oscillator, Wireless Specialty Radio Apparatus 1919
|  | | EI Electro Importing Bulldog Radio Spark Coil | EI Electro Importing Bulldog Radio Spark Coil 1" and fixed condenser
|  | | EI Electro Importing Crystal Radio Detector | EI Electro Importing Crystal Radio Detector
|  | | EI Electro Importing Electrolytic Detector Radio | Electro Importing EI Electrolytic Detector Radio
|  | | EI Electro Importing Tesla coil | EI Electro Importing Tesla coil from 1914
|  | | F. B. Chambers .084 Wireless Standard Radio | Chambers .084 Wireless Standard Time Set from 1913. Uses one spherical audion.
|  | | Faraday's Experimental Researches in Electricity | Faraday's Experimental Researches in Electricity, 1839 in 3 Volumes
|  | | Fleming Valve & Radioson RadioDetector | Fleming Valve & Radioson Radio Electrolytic Detector
|  | | General Radio BC 14A Crystal Radio | The General Radio BC 14A Crystal Set was made in 1918.
|  | | General Radio BC 15A Radio Transmitter | The General Radio BC 15A Transmitter was introduced in 1918.
|  | | Helix Coil for Spark Wireless Transmitter | Helix Coil for Spark Wireless Transmitter
|  | | Homebrew Radio Receiver with Top Coils | Homebrew radio receiver from the late teens.
|  | | IP 501 by Wireless Specialty Crystal Radio | IP 501 by Wireless Specialty Crystal Radio
|  | | IP203 Triple Radio Crystal Detector by Wireless Specialty Apparatus | IP203 Triple Radio Crystal Detector by WSA or Wireless Specialty Apparatus
|  | | JH Bunnell Jove Radio Loose Coupler | JH Bunnell, Jove loose coupler and detector.
|  | | Kilbourne & Clark Radio Tone Tester, 1917 | Kilbourne & Clark Tone Tester Crystal Radio
|  | | Kilbourne & Clark Type E & F Radio Receivers | Kilbourne & Clark Type E & F Radio Receivers
|  | | L. E, Knott Apparatus 4" Induction Coil | L. E, Knott Apparatus 4" Induction Coil
|  | | Lowenstein 2KW Radio Transmitter Loading Coil | Lowenstein 2KW Radio Transmitter Loading Coil
|  | | Mark II Radio Transmitter | The Mark II Transmitter was made for the RAF.
|  | | Mark III Radio Tuner WWI by MWT | Mark III Radio Tuner WWI by MWT
|  | | Mark III Radio WWI Crystal Tuner by Robert Paul | Mark III Radio WWI Crystal Tuner by Robert Paul
|  | | Mignon RC2 Radio Tuner from 1915 | Mignon RC2 Radio Tuner
|  | | Mignon RLC3S Early Radio Tuner | Mignon RLC3S Early Radio Tuner
|  | | Mignon RLC5 Early Radio Tuner | Mignon RLC5 Early Radio Tuner
|  | | Murdock Knife Switch for Wireless Radio | Murdock Knife Switch for Wireless Radio
|  | | Nesco CN-112 Radio WWI | The CN-112 was a submarine radio receiver in WWI.
|  | | NESCO SE 143 Radio Receiver IP500 | NESCO SE 143 Radio Receiver, IP500 Type
|  | | Paragon Adams-Morgan 2-5-U Radio Transmitter | An early commercial 10 watt phone and CW transmitter
|  | | Radio Loose Coupler, small | Radio Loose Coupler for Crystal Receiver, small
|  | | Radio Rotory Spark Gap K & D No. 5 motor | Radio Rotory Spark Gap with K & D No. 5 motor WORKS
|  | | SE 1000 Radio Amplifier | SE 1000 two tube Amplifier
|  | | SE 712A, International Signal IP500 Radio | SE 712A, International Signal IP500 Radio, 1917
|  | | Signal Corps Type D Crystal Radio | This crystal set was manufactured in 1917 for the military.
|  | | Sperry SE 1012 WWI Radio Receiver | Sperry SE 1012 WWI Radio Receiver
|  | | Spherical Audion Breadboard Radio | Spherical Audion Breadboard Radio
|  | | Spherical Audion Radio Receiver | A homebrew dual spherical audion radio
|  | | Tubular Audiotron Radio Control Boxes | Tubular Audiotron Radio Control Boxes
|  | | Wappler Electric Rotary Spark Gap for Radio | Wappler Electric Rotary Spark Gap for Radio
|  | | Western Electric CW-926A amplifier, 1917 | Western Electric CW-926A amplifier, Part of the CW-936 Radio Telephone System
|  | | Western Electric Radio & Telegraph Morse Register | Western Electric Italiana morse register
|  | | Western Electric SCR-68 Five Tube Radio WWI | The Western Electric SCR 68 Radio from 1918
|  | | Western Electric SCR-75 Radio Receiver | Western Electric SCR-75 Radio Aircraft Receiver
|  | | Wireless Specialty IP-76 Radio Receiver from 1911 | Wireless Specialty IP-76 Radio Receiver from 1911
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