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| 1 |
gebracht von
Robert Rydzewski
- Painting by Lefler
Details / KommentarMorsichore, muse of asynchronous digital transmission?
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| 8 |
gebracht von
Robert Rydzewski
- The Van Horne Tube Company
AutorCross
- Info Kürzel
- Fotografie
- Artikel
- Table, Figure, or Graph
- John S. Van Horne
- Van Horne Tube Company Factory
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| 9 |
gebracht von
Robert Rydzewski
- Table of Early Van Horne Tubes, Types & Characteristics
- Info Kürzel
- Table, Figure, or Graph
- Van Horne Tubes at Railroad Depot, Circa 1930
Details / Kommentar224s, 227s, 245s, 280s
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| 10 |
gebracht von
Robert Rydzewski
- Characteristic Curve for a Musselman Certified Van Horne Tube
- Info Kürzel
- Table, Figure, or Graph
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| 11 |
gebracht von
Robert Rydzewski
- Van Horne 5VAX & Thoria 5VT Tubes, Circa 1925
- 1925 Van Horne 5VA; 1925 5VAX; 1926 "Cushion" 5VAX; 1926 UV201A
- Van Horne Model 5-VCX Tube (Circa 1925), with Carton
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| 12 |
gebracht von
Robert Rydzewski
- Van Horne "Goldband" 224 and 227, ca. 1930
- Radiotone & Van Horne 280s, ca. 1930
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| 13 |
gebracht von
Robert Rydzewski
- Time Series" of Van Horne Tube Boxes
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| 15 |
gebracht von
Robert Rydzewski
- Transistorland
Editor / ReviewerCohen
Details / Kommentarcolumn cancelled by presidential direction
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| 16 |
gebracht von
Robert Rydzewski
- Unknown Photo from 1913- Telegraph Office/Lab?
Details / Kommentardiscussed below
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| 17 |
gebracht von
Robert Rydzewski
- In the Telegraph Lab
AutorSibley
- Info Kürzel
- Fotografie
- Artikel
- The Postal Telegraph Company
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| 18 |
gebracht von
Robert Rydzewski
- Key & Telegraph: By Their Knurls Ye Shall Know Them
Editor / ReviewerReinke
- Info Kürzel
- Fotografie
- Artikel
- Various Binding Posts
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| 19 |
gebracht von
Robert Rydzewski
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| 20 |
gebracht von
Robert Rydzewski
- The Vreeland Oscillator
AutorOlson
- Info Kürzel
- Diagram or Drawing
- Fotografie
- Artikel
- Schematic (partial)
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| 21 |
gebracht von
Robert Rydzewski
- Neon Tube Oscillator Schematic
- Info Kürzel
- Schematic (partial)
- More on the McMurdo Silver Communication Receiver
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| 22 |
gebracht von
Robert Rydzewski
- Vacuum Tube: More 201A Brands; Those 1200- & 1600-Series Special Tubes
Editor / ReviewerDowd
- Info Kürzel
- Artikel
- Table, Figure, or Graph
- Table of Sylvania 1200-Series Tubes
AutorSibley
- Info Kürzel
- Table, Figure, or Graph
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| 23 |
gebracht von
Robert Rydzewski
- Table of RCA 1600-Series Tubes
AutorSibley
- Info Kürzel
- Table, Figure, or Graph
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| 24 |
gebracht von
Robert Rydzewski
- Paper and Film Capacitors
AutorOwens
- Info Kürzel
- Diagram or Drawing
- Artikel
- Table, Figure, or Graph
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| 27 |
gebracht von
Robert Rydzewski
- Casting Replica MetalParts
AutorDuBois, Jr.
Details / Kommentarplaster of Paris, plumber's lead
- Info Kürzel
- Fotografie
- Artikel
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| 29 |
gebracht von
Robert Rydzewski
- Philco, 1958: An Era of Unique TV Designs
AutorOkolowicz
- Info Kürzel
- Diagram or Drawing
- Fotografie
- Artikel
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| 30 |
gebracht von
Robert Rydzewski
- Phonograph Design Patents by Emil Harman
Details / Kommentar2nd is basis for "Bing Crosby" model
- Info Kürzel
- Diagram or Drawing
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| 32 |
gebracht von
Robert Rydzewski
- Designs for Distant Relatives of the Philco Predicta
- Info Kürzel
- Diagram or Drawing
- Philco Slender Seventeener TV
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| 33 |
gebracht von
Robert Rydzewski
- Concept Drawing for Predicta 4240 TV
- Info Kürzel
- Diagram or Drawing
- Philco New-Matic Remote Control
- Info Kürzel
- Diagram or Drawing
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| 35 |
gebracht von
Robert Rydzewski
- Philco Predicta G-4654, H-4730
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| 36 |
gebracht von
Robert Rydzewski
- Design Studies by Jonassen for Plastic Console TV and Set in Predicta Line
- Info Kürzel
- Diagram or Drawing
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| 37 |
gebracht von
Robert Rydzewski
- Philco Predicta H4242 TV
- Philco H2010 Safari TV
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| 38 |
gebracht von
Robert Rydzewski
- Reception Set No. 8
- SC-CD-412-44
- Kingsley K-CR-11
- Japanese HRO Receiver
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| 39 |
gebracht von
Robert Rydzewski
- Four Foreign HRO-Derivatives
AutorMacKinnon
- Info Kürzel
- Fotografie
- Artikel
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| 40 |
gebracht von
Robert Rydzewski
- Comm Receiver: K2DA Regenerative Receiver
AutorGunnoe/FizetteEditor / ReviewerFizette
- Info Kürzel
- Fotografie
- Artikel
- Table, Figure, or Graph
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| 41 |
gebracht von
Robert Rydzewski
- Coil Table for K3DA
- Info Kürzel
- Table, Figure, or Graph
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| 42 |
gebracht von
Robert Rydzewski
- Calibration Curves for K3DA
- Info Kürzel
- Table, Figure, or Graph
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| 44 |
gebracht von
Robert Rydzewski
- A "Modernized" Philco Baby Grand
AutorDennison
Details / Kommentar1936 modification adds AVC
- Info Kürzel
- Fotografie
- Artikel
- Schaltplan
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| 46 |
gebracht von
Robert Rydzewski
- Loudspeaker: Remo Horn Speakers
Editor / ReviewerPaul
- Info Kürzel
- Fotografie
- Artikel
- Remo Trumpet Speaker with Adjustable Unit
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| 47 |
gebracht von
Robert Rydzewski
- Eqpt Restoration: Brass Cleaning; Repairing Noisy Volume Controls
AutorPorter, SandsEditor / ReviewerSibley
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| 48 |
gebracht von
Robert Rydzewski
- Meet the Collectors: Heathkit SB-610 Modulation Scope
AutorSchrock
- Info Kürzel
- Diagram or Drawing
- Fotografie
- Artikel
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| 49 |
gebracht von
Robert Rydzewski
- Phelps Telefone Receiver, Western Union
- Medical Coil, with "Hammer Interrupter", Benjamin Pike Jr., NY
- Closeup of Coherer in Telefunken Set No. 3626
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| 50 |
gebracht von
Robert Rydzewski
- Verbum Sapienti Sat Est: Word to the Wise
AutorDouglas
Details / KommentarChecking capacitor leakage? Use bridge
- Info Kürzel
- Fotografie
- Artikel
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| 51 |
gebracht von
Robert Rydzewski
- The Psychology of Collecting
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| 53 |
gebracht von
Robert Rydzewski
- Capricious & Inconsistent Results"
AutorThackeray
Details / Kommentarmismatched Marconi T & R aerials
- Info Kürzel
- Diagram or Drawing
- Artikel
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| 62 |
gebracht von
Robert Rydzewski
- Museum News: Pavek Museum of Broadcasting
AutorBelanger
Details / Kommentarin St. Louis Park, MN
- Info Kürzel
- Fotografie
- Artikel
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| 64 |
gebracht von
Robert Rydzewski
- Philco Radio 1928-1942
AutorRamirez/ProsiseEditor / ReviewerSibley
- Alan Douglas on Chapter 2 of Philco Radio 1928-1942
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| 65 |
gebracht von
Robert Rydzewski
- Early History of Radio: From Faraday to Marconi
AutorGarrattEditor / ReviewerSibley
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| 66 |
gebracht von
Robert Rydzewski
- Communications Receivers: The Vacuum Tube Era: 1932-1981
AutorMooreEditor / ReviewerSibley
- VAIC Valve
AutorVaicEditor / ReviewerSibley
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| 69 |
gebracht von
Robert Rydzewski
- Recent Obits: Willet Brown; Winston Burdette; Creed Chorpening (W4TZ)
- RO: James Dooley; Avery Fisher; Lenore Jensen (W6NAZ); Tom McMullen (W1SL)
- RO: Robert G. Middleton; Carleton Morse; Helen O'Connell; Duncan Pirnie
- Silent Keys: Charles J. Affelder (N3AYU); C. Wilson Norwood (W2IQQ)
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| 70 |
gebracht von
Robert Rydzewski
- WOR Radio Print of Don Ameche, Andrea Leeds, Al Jolson
Details / Kommentarfax from Jan 4, 1940
- WOR Radio Print of Weather Forecast, NYC, Oct. 26, 1939
- Info Kürzel
- Diagram or Drawing
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| 71 |
gebracht von
Robert Rydzewski
- RCA and Finch Fax Machines
AutorKelley
- Info Kürzel
- Fotografie
- Artikel
- RCA FAX-2A Recorder
- Finch Facsimile System Recorder
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| 72 |
gebracht von
Robert Rydzewski
- Van Horne 227 Tube Box
- Air Scout 245 Tube & Box
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