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created by
Robert Rydzewski
- Silent Keys: Warren Baker; William W. Baker; Curtis A. Burgan
- SK: Ralph V. Rickett (W8BTW); Kaye Weedon
- Lucient Levy Eight-Tube Syncodyne, 1927
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created by
Robert Rydzewski
- A Special Time Receiver for Observatories
AuthorGiganti
- Info Items
- Diagram or Drawing
- Photograph
- Article
- Early Tissot Crystal Receiver, Designed for Receiving Time Signals
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created by
Robert Rydzewski
- Olde-Tyme Wireless Discovery: Unique Wireless Detector from France
AuthorChesson
- Info Items
- Diagram or Drawing
- Article
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created by
Robert Rydzewski
- Another Radio Time Receiver
- Info Items
- Ad
- Photograph
- Article
- Radio Time Receiver by General Electric, 1921
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created by
Robert Rydzewski
- Type RS-100 Jewelers Time Receiver, 1919
Detail / CommentOne-tube set
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created by
Robert Rydzewski
- 18 Distance Crystal Sets - Return of Modern Radio Laboratories
AuthorSibley
- Info Items
- Ad
- Diagram or Drawing
- Article
- MRL "Busy Hands with MRL Plans" Logo
- Info Items
- Diagram or Drawing
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13 |
created by
Robert Rydzewski
- British Crystal Set Registration Numbers (1922-1924)
AuthorSanders
- Info Items
- Diagram or Drawing
- Article
- Table, Figure, or Graph
- BBC Stamp
Detail / Comment"Type Approved by the Post-Master General"
- Info Items
- Diagram or Drawing
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created by
Robert Rydzewski
- Table of British Manufacturers, Models, and GPO Numbers
- Info Items
- Table, Figure, or Graph
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created by
Robert Rydzewski
- Early Eqpt Profile: The CN-113A: A High-Quality Crystal Receiver
Editor / ReviewerPeckham
- Info Items
- Photograph
- Article
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created by
Robert Rydzewski
- Crosley and the Crosley Broadcaster
AuthorDenk
Detail / Commentweekly Crosley publication
- Info Items
- Diagram or Drawing
- Article
- Crosley Radio Broadcaster Header, April 1, 1927
- Info Items
- Diagram or Drawing
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created by
Robert Rydzewski
- Crosley Broadcaster Header, June 1, 1927
- Info Items
- Diagram or Drawing
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20 |
created by
Robert Rydzewski
- Loudspeaker: Firco Horn Speakers
- Firco VocaLoud Horn Speaker Ad from May, 1921
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created by
Robert Rydzewski
- Saving a Crosley 628
AuthorDuBois, Jr.
- Info Items
- Diagram or Drawing
- Photograph
- Article
- Schematic
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23 |
created by
Robert Rydzewski
- Modified Antique Radios
AuthorOwens
- Info Items
- Photograph
- Article
- Modified RCA AR-812 with Loop Antenna
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created by
Robert Rydzewski
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created by
Robert Rydzewski
- Communications Receiver: Those National Power Supplies
AuthorFizette
- Info Items
- Photograph
- Article
- Schematic
- Table, Figure, or Graph
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created by
Robert Rydzewski
- National 7180 B-Eliminator
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created by
Robert Rydzewski
- National 5880 Velvet AB Supply
- National 5897 Velvet AB Supply, Specialy Designed for the FB-7 Receiver
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28 |
created by
Robert Rydzewski
- National GR-DPU for the AGS and SW58-C
- National SPC Combination Rack Unit for Use with the HRO
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29 |
created by
Robert Rydzewski
- National RAS Power Unit
- Info Items
- Photograph
- Schematic
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30 |
created by
Robert Rydzewski
- Table Matching National Power Supplies with Receivers
- Info Items
- Table, Figure, or Graph
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created by
Robert Rydzewski
- Eqpt Restoration: Hallicrafters Receiver Cabinet Restoration
AuthorCripe
- Info Items
- Photograph
- Article
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32 |
created by
Robert Rydzewski
- Reconstruction of a Type-30 Regenerative Receiver
AuthorIvarson
- Info Items
- Photograph
- Article
- Schematic
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35 |
created by
Robert Rydzewski
- Building a 1929-Era Ham Station
AuthorHutchins
- Info Items
- Photograph
- Article
- Schematic
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37 |
created by
Robert Rydzewski
- Rare Amateur QSL Cards
AuthorKelley
- Info Items
- Diagram or Drawing
- Article
- QSL Cards from AU1AI, Siberia; BZ1AK, Brazil; JXIX
AuthorJapan
- Info Items
- Diagram or Drawing
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38 |
created by
Robert Rydzewski
- Historical Remarks on Local-Oscillator Radiation
AuthorHerold
- Info Items
- Diagram or Drawing
- Article
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40 |
created by
Robert Rydzewski
- The Unique 4E27 Power Pentode
AuthorWagenerEditor / ReviewerDowd
- Info Items
- Diagram or Drawing
- Article
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created by
Robert Rydzewski
- When Is a Tube Bad?
AuthorOwens
Detail / Commenttesting, transconductance, space charge, etc.
- Info Items
- Article
- Schematic
- Table, Figure, or Graph
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created by
Robert Rydzewski
- Transistorland: Prices, Price Guides & Videotape
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created by
Robert Rydzewski
- The RS-6: A Survival Radio, Fifties-Style
AuthorSibley
- Info Items
- Photograph
- Article
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48 |
created by
Robert Rydzewski
- Radio Noise by Parachute
AuthorSibley/Geraldi
Detail / Commentbomb-like jammer using spark
- Info Items
- Diagram or Drawing
- Article
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created by
Robert Rydzewski
- Meet the Collectors: Sweeping the AM IF
AuthorSchrock
- Info Items
- Photograph
- Article
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50 |
created by
Robert Rydzewski
- Telecommunication: Impact of the Printing Telegram
AuthorDeNeuf
- Info Items
- Diagram or Drawing
- Article
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51 |
created by
Robert Rydzewski
- Key & Telegraph: More Double-Lever Mystery
AuthorBrydgesEditor / ReviewerMoreau
- Info Items
- Photograph
- Article
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52 |
created by
Robert Rydzewski
- Mailbag: Transistor Sets; Restoring Coils
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54 |
created by
Robert Rydzewski
- Dodge Tone Amplifier Seal
- Info Items
- Diagram or Drawing
- Laboratory-Model Firco Speaker
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55 |
created by
Robert Rydzewski
- Recent Obits: Charles P. Ginsburg; Robert Hertzberg (W2DJJ)
- RO: Ernest B. Lewis; Sol Paul
- In-House: Signal from Mars
Detail / Commentmysterious 1924 Morse
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created by
Robert Rydzewski
- 75 Years of Western Electric Tube Manufacturing
AuthorMagersEditor / ReviewerSibley
- In Quest of the Light, Visible & Invisible
Editor / ReviewerKelley
Detail / CommentVHS documentary
- Kovels' 1993 Collectible Price List
- Antique Radio Restoration Guide
AuthorJohnsonEditor / ReviewerSibley
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62 |
created by
Robert Rydzewski
- The Cathode Ray Tube: Technology, History, & Applications
AuthorKellerEditor / ReviewerSibley
- Electronic Parts Catalogue - 1993
AuthorTannenbaumEditor / ReviewerSibley
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63 |
created by
Robert Rydzewski
- Catalog: Audio Classics
- A First Class Job - Frank Murphy - Radio Pioneer
- Museum News: A Night in Admiral Donitz' Quarters
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64 |
created by
Robert Rydzewski
- Synchronous 1kW Spark Transmitter at AWA Museum
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