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created by
Robert Rydzewski
- Atwater Kent 228
Detail / Comment1933; chassis, speaker identical to AK 92, similar to 627
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created by
Robert Rydzewski
- AWA Museum Expansion: 2nd AWA Museum Fund Drive
- Info Items
- Diagram or Drawing
- Photograph
- Article
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created by
Robert Rydzewski
- Transistor Topics: Toshiba 3TP-315
Editor / ReviewerSmith
Detail / Comment"earphone only" radio
- Info Items
- Photograph
- Article
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created by
Robert Rydzewski
- Ad for Mack Reconditioner
Detail / Comment"cure for run-down tubes"
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created by
Robert Rydzewski
- From OTBs Past…
AuthorPeckham
- Info Items
- Photograph
- Article
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| 16 |
created by
Robert Rydzewski
- Key & Telegraph: A Vail To No Avail
AuthorReinke
- Info Items
- Photograph
- Article
- Vailograph Key
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| 17 |
created by
Robert Rydzewski
- Paragon RA-10 Receiver with 10 RF Amp & DA-2 Detector
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| 18 |
created by
Robert Rydzewski
- The Marconi 101 Receiver & the Ford Auction
AuthorKelley
- Info Items
- Photograph
- Article
- Schematic
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| 20 |
created by
Robert Rydzewski
- Eqpt Restoration: Rest. Practices; More on Bush & Lane; Loop Antennas…
- Girard 2-Tube Receiver Schematic
Detail / Commentmade in LA, late 1930's
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created by
Robert Rydzewski
- Gilbert Radio Apparatus
Editor / ReviewerDenk
Detail / Comment1919 reprint
- Overseas Periodicals
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| 24 |
created by
Robert Rydzewski
- Loudspeaker: "Auditorium" Horn Speakers
Editor / ReviewerPaul
- Info Items
- Diagram or Drawing
- Photograph
- Article
- Paper Label on I.A. Bennet Auditorium Horn Speaker
- Info Items
- Diagram or Drawing
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| 28 |
created by
Robert Rydzewski
- Marconi on Cape Cod - Revisited
AuthorHallEditor / ReviewerFales
- Info Items
- Diagram or Drawing
- Photograph
- Article
- Marconi in 1903
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| 29 |
created by
Robert Rydzewski
- Transmitter Room at CC, with 35 kW Rotary Spark Gap
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| 30 |
created by
Robert Rydzewski
- Replacement Antenna System with Four Guyed Towers at CC
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| 31 |
created by
Robert Rydzewski
- Marconi Magnetic Detector Diagram, from Elmer Bucher Book
- Info Items
- Diagram or Drawing
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| 33 |
created by
Robert Rydzewski
- Vintage Circuits with Modern Parts
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created by
Robert Rydzewski
- February Mystery Photo Was a Ringer
Detail / Commentreplica United Wireless Tuner by Cundall
- Info Items
- Photograph
- Article
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created by
Robert Rydzewski
- The Eagle Has Docked
AuthorHoward
- Info Items
- Photograph
- Article
- Restored SE1075 1 kW Quenched Gap Spark Transmitter
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created by
Robert Rydzewski
- SE 1000 Amplifier Atop SE 143 Receiver, with SE 1071 Audion Box
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created by
Robert Rydzewski
- Headsets: Update, Mysteries
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| 39 |
created by
Robert Rydzewski
- Experimenting with "Antique Radiowave Detector"
AuthorHallay/Kryzhanovsky
Detail / Commentcoherer
- Info Items
- Diagram or Drawing
- Article
- Table, Figure, or Graph
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| 40 |
created by
Robert Rydzewski
- Popov Coherer Diagram
Detail / Commentand can make from BIC pen, nail, and screw!
- Info Items
- Diagram or Drawing
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| 41 |
created by
Robert Rydzewski
- Current vs Applied Voltage Curves for Coherer for Different Iron Filing Types
- Info Items
- Table, Figure, or Graph
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| 42 |
created by
Robert Rydzewski
- Vacuum Tube: The "Soft" Detector
AuthorRybakEditor / ReviewerDowd
Detail / Commenttheory behind 200A tube
- Info Items
- Article
- Schematic
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| 43 |
created by
Robert Rydzewski
- Typical Soft Detector Receiving Circuit
Detail / CommentRCA reprint from 1922
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| 44 |
created by
Robert Rydzewski
- Television: Father of Radio & TV: Dr. Ernst F.W. Alexanderson Pt. 2
AuthorMichael
- Info Items
- Diagram or Drawing
- Photograph
- Article
- Handwritten Greeting from Alexanderson to Father, 1st TransAtlantic Fax, 1924
- Info Items
- Diagram or Drawing
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| 45 |
created by
Robert Rydzewski
- Ernst Alexanderson & S.P. Nixdorff with Alexanderson Radio-Echo Altimeter
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| 47 |
created by
Robert Rydzewski
- Illustrated History of Philips Radio Valves - To 1935
AuthorStewartEditor / ReviewerDenk
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| 48 |
created by
Robert Rydzewski
- Meet the Collectors: If You Cannot Acquire… Replicate
AuthorDrogoski
- Info Items
- Photograph
- Article
- Schematic
- Western Electric 2B Tuner Replica
- Western Electric 3B Replica
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| 49 |
created by
Robert Rydzewski
- Western Electric 3B Receiver Schematic
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| 50 |
created by
Robert Rydzewski
- How General Radio Fumbled the Ball
AuthorDouglas
Detail / Commentlost out to HP on audio oscillators
- Info Items
- Ad
- Photograph
- Article
- Ad for Hewlett-Packard Resistance Tuned Audio Oscillators
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| 51 |
created by
Robert Rydzewski
- Comparison of GR 913A and HP 200 Audio Oscillators
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| 52 |
created by
Robert Rydzewski
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| 54 |
created by
Robert Rydzewski
- Comm Receivers: Building 1936 QST Simplified High-Perf Superhet
Editor / ReviewerFizette
- Info Items
- Article
- Schematic
- Table, Figure, or Graph
- Coil Table for Superhet
- Info Items
- Table, Figure, or Graph
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| 55 |
created by
Robert Rydzewski
- Schematic for Simplified High-Performance Superhet, from QST, April 1936
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| 58 |
created by
Robert Rydzewski
- Recent Obits: Martin Balsam; Carlton G. Brown; Morton Gould
- RO: Dr. Alvis Milton Holladay; Johnny Johnston; Frank C. Jones
- RO: Gene Kelly; Guy Madison; Dean Martin; Audrey Meadows; Gerry Mulligan
- RO: Minnie Pearl, Tom Pettit; McLean Stevenson; Lyle Talbot; Frederick L. Wade
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| 59 |
created by
Robert Rydzewski
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| 66 |
created by
Robert Rydzewski
- SCR-74A Spark Transmitter
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| 67 |
created by
Robert Rydzewski
- Museum: WWI Trench Transmitter; Museum on Internet
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| 68 |
created by
Robert Rydzewski
- Mystery Photo: Extremely Long, Very Old Receiver
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