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The Old Timer's Bulletin (OTB)

Periodical   Volume 34Number 1February 1993

created by: Robert Rydzewski (11.Feb.14)
Page Content
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
  
created by
Robert Rydzewski
  • A Special Time Receiver for Observatories
  • Early Tissot Crystal Receiver, Designed for Receiving Time Signals
  
created by
Robert Rydzewski
  • Olde-Tyme Wireless Discovery: Unique Wireless Detector from France
  
10 
created by
Robert Rydzewski
  • Another Radio Time Receiver
  • Radio Time Receiver by General Electric, 1921
  
11 
created by
Robert Rydzewski
  • Type RS-100 Jewelers Time Receiver, 1919
  
12 
created by
Robert Rydzewski
  • 18 Distance Crystal Sets - Return of Modern Radio Laboratories
  • MRL "Busy Hands with MRL Plans" Logo
  
13 
created by
Robert Rydzewski
  • British Crystal Set Registration Numbers (1922-1924)
  • BBC Stamp
  
14 
created by
Robert Rydzewski
  • Table of British Manufacturers, Models, and GPO Numbers
  
16 
created by
Robert Rydzewski
  • Early Eqpt Profile: The CN-113A: A High-Quality Crystal Receiver
  
17 
created by
Robert Rydzewski
  • Crosley and the Crosley Broadcaster
  • Crosley Radio Broadcaster Header, April 1, 1927
  
18 
created by
Robert Rydzewski
  • Crosley Broadcaster Header, June 1, 1927
  
20 
created by
Robert Rydzewski
  • Loudspeaker: Firco Horn Speakers
  • Firco VocaLoud Horn Speaker Ad from May, 1921
  
21 
created by
Robert Rydzewski
  • Saving a Crosley 628
  
23 
created by
Robert Rydzewski
  • Modified Antique Radios
  • Modified RCA AR-812 with Loop Antenna
  
24 
created by
Robert Rydzewski
  • Modified Crosley 3B
  
25 
created by
Robert Rydzewski
  • Communications Receiver: Those National Power Supplies
  
26 
created by
Robert Rydzewski
  • National 7180 B-Eliminator
  
27 
created by
Robert Rydzewski
  • National 5880 Velvet AB Supply
  • National 5897 Velvet AB Supply, Specialy Designed for the FB-7 Receiver
  
28 
created by
Robert Rydzewski
  • National GR-DPU for the AGS and SW58-C
  • National SPC Combination Rack Unit for Use with the HRO
  
29 
created by
Robert Rydzewski
  • National RAS Power Unit
  
30 
created by
Robert Rydzewski
  • Table Matching National Power Supplies with Receivers
  
31 
created by
Robert Rydzewski
  • Eqpt Restoration: Hallicrafters Receiver Cabinet Restoration
  
32 
created by
Robert Rydzewski
  • Reconstruction of a Type-30 Regenerative Receiver
  
35 
created by
Robert Rydzewski
  • Building a 1929-Era Ham Station
  
37 
created by
Robert Rydzewski
  • Rare Amateur QSL Cards
  • QSL Cards from AU1AI, Siberia; BZ1AK, Brazil; JXIX
  
38 
created by
Robert Rydzewski
  • Historical Remarks on Local-Oscillator Radiation
  
40 
created by
Robert Rydzewski
  • The Unique 4E27 Power Pentode
  
42 
created by
Robert Rydzewski
  • When Is a Tube Bad?
  
44 
created by
Robert Rydzewski
  • Transistorland: Prices, Price Guides & Videotape
  
47 
created by
Robert Rydzewski
  • The RS-6: A Survival Radio, Fifties-Style
  
48 
created by
Robert Rydzewski
  • Radio Noise by Parachute
  
49 
created by
Robert Rydzewski
  • Meet the Collectors: Sweeping the AM IF
  
50 
created by
Robert Rydzewski
  • Telecommunication: Impact of the Printing Telegram
  
51 
created by
Robert Rydzewski
  • Key & Telegraph: More Double-Lever Mystery
  
52 
created by
Robert Rydzewski
  • Mailbag: Transistor Sets; Restoring Coils
  
54 
created by
Robert Rydzewski
  • Dodge Tone Amplifier Seal
  • Laboratory-Model Firco Speaker
  
55 
created by
Robert Rydzewski
  • Recent Obits: Charles P. Ginsburg; Robert Hertzberg (W2DJJ)
  • RO: Ernest B. Lewis; Sol Paul
  • In-House: Signal from Mars
  
61 
created by
Robert Rydzewski
  • 75 Years of Western Electric Tube Manufacturing
  • In Quest of the Light, Visible & Invisible
  • Kovels' 1993 Collectible Price List
  • Antique Radio Restoration Guide
  
62 
created by
Robert Rydzewski
  • The Cathode Ray Tube: Technology, History, & Applications
  • Electronic Parts Catalogue - 1993
  
63 
created by
Robert Rydzewski
  • Catalog: Audio Classics
  • A First Class Job - Frank Murphy - Radio Pioneer
  • Museum News: A Night in Admiral Donitz' Quarters
  
64 
created by
Robert Rydzewski
  • Synchronous 1kW Spark Transmitter at AWA Museum
  

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