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The Old Timer's Bulletin (OTB)

Periodical   Volume 34Number 3August 1993

created by: Robert Rydzewski (11.Feb.14)
Page Content
created by
Robert Rydzewski
  • Mirror Screw Television
  
created by
Robert Rydzewski
  • Innovative Mechanical Television
  • A Mirror Drum
  
created by
Robert Rydzewski
  • A Vibratory Scanner
  • Mirror Screw for 90 Lines
  
created by
Robert Rydzewski
  • 180-Line Mirror-Screw
  • 120-Line Mihaly-Traub Scanner
  
created by
Robert Rydzewski
  • Improved Mihaly-Traub Scanner
  
10 
created by
Robert Rydzewski
  • Scophony "Junior" theater Projector
  • Scophony 22" TV Receiver and its Optical Chassis
  
11 
created by
Robert Rydzewski
  • Some Soviet & East German Military Radios
  
12 
created by
Robert Rydzewski
  • R104M HF Transceiver
  • R326 Receiver
  • R105M VHF Transceiver
  • EKB Receiver
  
13 
created by
Robert Rydzewski
  • HF Receiver R311
  • HF SSB Transceiver SEG 15D
  • R-107T VHF Transceiver
  
14 
created by
Robert Rydzewski
  • R392 Transceiver
  
15 
created by
Robert Rydzewski
  • A Swiss Collection
  • Replica de Forest RJ-4 Audion Detector
  • National HRO Senior, from 1939; HRO-5A1, from 1946, with Speakers
  • 1948 National HRO-7; 1952 National HRO-50-1
  
16 
created by
Robert Rydzewski
  • Restored Gem from Canada - CGE's JK53
  
17 
created by
Robert Rydzewski
  • Collecting Crystal Sets in Austria
  • Crystal Detectors, Containers
  
18 
created by
Robert Rydzewski
  • Martian Big 4, Monarch, Carron, Philmore, Miller, Heathkit Crystal Sets
  
19 
created by
Robert Rydzewski
  • Radio Collecting in Israel
  
20 
created by
Robert Rydzewski
  • Jeffree Cell with Lenses
  • Westinghouse RA, DA, 10D Horn, RFL RF Amplifier & Model 5 Ballantine Variometer
  
21 
created by
Robert Rydzewski
  • A Rundradiomottagningsapparat
  
22 
created by
Robert Rydzewski
  • Canadian Marconi "C" Set
  
25 
created by
Robert Rydzewski
  • MWTC Power Amplifier P.A. 1 Schematic
  • C Set Adapted for Low-Frequency Operation
  
27 
created by
Robert Rydzewski
  • Radio Receiver Noise - Reminiscences
  
29 
created by
Robert Rydzewski
  • Eqpt Restoration: Fixing Loose Tube Bases, Troubleshooting 01As…
  
30 
created by
Robert Rydzewski
  • Vacuum Tube: De Forest PO Oscillion
  
38 
created by
Robert Rydzewski
  • Communications Rcvr: Those National 6-Prong Plug-In Coils
  
40 
created by
Robert Rydzewski
  • National "30-40" Series Coil Calibration Curves
  
41 
created by
Robert Rydzewski
  • Table of Winding Specs for Early National 6-Pin Coils
  
43 
created by
Robert Rydzewski
  • Meet the Collectors: Arkay A12 Amplifier
  
44 
created by
Robert Rydzewski
  • Transistorland: Core Colllectibles, Royalty of Radios (Zenith Royal 500)…
  
47 
created by
Robert Rydzewski
  • Key & Telegraph: Hammer Meets Anvil
  • Assembled Phillips Key
  
49 
created by
Robert Rydzewski
  • Loudspeaker: The Stentorphone Co.
  • Stentor Super-Speaker Ad & Photo
  
50 
created by
Robert Rydzewski
  • California Nightingale Super Stentor Speaker Ad
  
51 
created by
Robert Rydzewski
  • Building Small Radio Receivers
  
53 
created by
Robert Rydzewski
  • Mailbag: Arc Transmitters; TB SIG-5: Jammer Gibberish
  
61 
created by
Robert Rydzewski
  • Historic Television & Video Recorders
  • Federal Telephone & Telegraph Co.
  • Fessenden and Early Radio Science
  • A First Class Job - Frank Murphy - Radio Pioneer
  
62 
created by
Robert Rydzewski
  • Alexanderson: Pioneer in American Electrical Engineering
  • 1993 Catalog - Fair Radio Sales
  • History of International Broadcasting
  • Recent Obits: Fritz Gross; Oscar C. Hirsch; William Lodge;; Samule T. Mazza
  • RO: Dagmar Reem; C. Trafton Robertson; William N. Udell
  • Silent Keys: Edgar Burge; Alva Collins; Carleton Maylott (W2YE); James R. McCann
  • SK: Roger Snelling; Lee Stanley (W2ECM); Tom Socci (W2RUK)
  
64 
created by
Robert Rydzewski
  • French Regenerative Set; Loewe OE 333 with 3NF Triple Triode; Isaria AK 1-Tuber
  • Atwater Kent Model 5 Breadboard Receiver
  

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