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The Old Timer's Bulletin (OTB)

Periodical   Volume 34Number 2May 1993

created by: Robert Rydzewski (11.Feb.14)
Page Content
created by
Robert Rydzewski
  • Czarist Russian Battery Triode
  
created by
Robert Rydzewski
  • A Classic Cathedral - The Clarion 85
  
10 
created by
Robert Rydzewski
  • History and Restoration of Plastics in Radios
  
12 
created by
Robert Rydzewski
  • International Kadette, from 1933
  
14 
created by
Robert Rydzewski
  • Special, Premium, and Long-Life Tubes
  
16 
created by
Robert Rydzewski
  • Reweld Broken Tube Filaments
  
17 
created by
Robert Rydzewski
  • Restoration Tips
  • Restoration Tips
  • Selection Guide for Dial Lamps
  
18 
created by
Robert Rydzewski
  • Restoration Tips
  
19 
created by
Robert Rydzewski
  • Restoration Tips
  
20 
created by
Robert Rydzewski
  • Eqpt Restoration: Aligning Superhets; High Voltage Safety
  • ER: Reparing Celluloid; Paper for Telegraph Coils
  • ER: Making Dial Windows
  
21 
created by
Robert Rydzewski
  • Restoration Aid V2: Communications Receivers in Rider's, Sam's, & Supreme Publications
  
23 
created by
Robert Rydzewski
  • The Adey Portable 4
  
24 
created by
Robert Rydzewski
  • More on Collecting Headsets
  
25 
created by
Robert Rydzewski
  • Catalin Radios - All They're Cracked Up to Be
  
27 
created by
Robert Rydzewski
  • Recreating a 1938 Receiver
  • Dxing in 1938
  
28 
created by
Robert Rydzewski
  • More on the CRT-2
  
29 
created by
Robert Rydzewski
  • Early History of Complementary Symmetry
  
30 
created by
Robert Rydzewski
  • Basic Patent of Complementary Symmetry
  
31 
created by
Robert Rydzewski
  • Four-Transistor Audio Output Amplifier Demonstrated at 1952 RCA Symposium
  • All-Transistor TV Receiver Using Complementary Symmetry Circuits
  
33 
created by
Robert Rydzewski
  • Comm Rcvr: An Early REL Amateur Receiver: 1929 "Old Standby" No. 192
  
36 
created by
Robert Rydzewski
  • Early Equipment Profile: A Major (Armstrong) Prototype
  
37 
created by
Robert Rydzewski
  • TV Receiver: Collecting CRTs & Pickup Tubes
  • 1945 Image Orthicon, 1955 Vidicon, Isocon, E-M phototube, 1840 Orthicon, 2F2…
  
38 
created by
Robert Rydzewski
  • Some Early Camera Tubes & CRTs & Their Applications
  
39 
created by
Robert Rydzewski
  • Transistorland: In The Beginning, Case of the Stale Scale, "Boys Club"…
  
42 
created by
Robert Rydzewski
  • 600-Meter Marine Radio Distress Watch Bows Out
  
43 
created by
Robert Rydzewski
  • Origins of Amateur Radio in Japan
  • 1928 QSL Card from JXIX
  • Schematic of Transmitter & Receiver Used by JFMT
  
44 
created by
Robert Rydzewski
  • Hatching of Japanese Amateurs; JARL Resistance to Suppression by Authorities
  • How to Install Grille Cloth - And Other Notes
  
45 
created by
Robert Rydzewski
  • Key & Telegraph: Camelback Confusion
  
46 
created by
Robert Rydzewski
  • Loudspeaker: Kodel Radio Corp.
  • Kodel Microphone Loud Speaker - Senior Model
  • Ad for Kodel Microphone Loud Speaker, "DeLuxe" Amplifier, Cabinet Amplifier
  
47 
created by
Robert Rydzewski
  • Stoddart & The Radio Research Receiver
  • Stoddart NM-40A Radio Interference Field-Intensity Meter
  
48 
created by
Robert Rydzewski
  • Stoddart NM-40A Meter With Accessories
  
49 
created by
Robert Rydzewski
  • Stoddart Radio Genealogy
  
50 
created by
Robert Rydzewski
  • Three Old-Time VHF Oscillators
  • VHF Oscillator Schematic from Oct 1948
  • VHF, UHF Oscillators
  
51 
created by
Robert Rydzewski
  • UHF, Microwave Oscillator Schematics
  • 316A "Microwave" Oscillator
  
52 
created by
Robert Rydzewski
  • More on the RAF T1154 Transmitter - R1155 Receiver
  
53 
created by
Robert Rydzewski
  • Tech-Manual Art - A Canadian View
  
54 
created by
Robert Rydzewski
  • Ting Cartoon Art
  
55 
created by
Robert Rydzewski
  • Ting Cartoon Art
  
57 
created by
Robert Rydzewski
  • Mailbag: Modern Radio Labs; WQXR-AM - WQEW
  • Mailbag: Color CRT Invention
  
58 
created by
Robert Rydzewski
  • Recent Obits: Major John Brown (G3EUR); James Caldwell; Lincoln Dellar
  • RO: John C. Doerfer; Otis S. Freeman; Reginald J. Iversen (K4QZ); Robert E. Moe
  • RO: Joe Gratz; Richard Salant; John Murphy; David R. Smith; Mary Rines Thompson
  • RO: John Spence Timmons; Samuel Willard Townsend; Jackson Weaver
  • Silent Keys: Harold H. Beverage (2BML); William L. Compton; Otto N. Geyer
  • SK: Joseph Horvath (W6GPB); Francis C. MacQueen; Henry W. McLaughlin
  • SK: Rodney Melhuish (W3KKY); Murray Shapiro; Joe Szabat (W3LST)
  • SK: Clive Taylor
  
65 
created by
Robert Rydzewski
  • Sound Practices
  • L-W Book Sales - Books on Antiques & Collectibles
  • Alexanderson Alternator & 1993 Calendar
  • 1993 - Antique Radio Labs
  • Le Radio Popolari (The "People's Set")
  
67 
created by
Robert Rydzewski
  • Three "E" Straight Line Rheostat Ad
  
68 
created by
Robert Rydzewski
  • RAF (and RCAF) T1154 Transmitter
  

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