radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

The Old Timer's Bulletin (OTB)

Periodical   Volume 31Number 4February 1991

created by: Robert Rydzewski (11.Feb.14)
Page Content
created by
Robert Rydzewski
  • German Wireless Gear Testing, USS Baltimore, Early 1904
  
created by
Robert Rydzewski
  • Slaby-Arco Wireless on the U.S.S. Baltimore
  
created by
Robert Rydzewski
  • NBC Mike Switching Panel, with Announcer
  
10 
created by
Robert Rydzewski
  • The Philips Monoknob Receivers
  • Philips 795A Monoknob Receiver
  
11 
created by
Robert Rydzewski
  • The R1155 Receiver & T1154 Transmitter
  • British Marconi R1155A Receiver
  
12 
created by
Robert Rydzewski
  • British Marconi T1154 Transmitter Photo & Schematic
  
13 
created by
Robert Rydzewski
  • Wings for Victory Poster Showing Lancaster Bomber
  
14 
created by
Robert Rydzewski
  • A Brazilian Collector: Edison de Freitas
  • Edison de Frietas and Some Items from his Collection
  • Philips 2637 TRF, from 1931
  • Philips Regenerative Model 938, from 1933
  
15 
created by
Robert Rydzewski
  • Ducretet Crystal Receiver, 1923
  • German Horn by Neufeldt & Kuhnke Atop 1924 Stromberg-Carlson 1A Neutrodyne
  • Atwater Kent 1928 Set, Probably 38, with Unidentified Horn
  • Philips 2511 and Cone Speaker, About 1931
  • General Electric K-Series Set, About 1933
  • Zenith Transoceanic 500H, 1950
  
16 
created by
Robert Rydzewski
  • Communication Rcvr: "Woolworths" Communications Receiver
  
17 
created by
Robert Rydzewski
  • Saved by Radio: Evolution in Air-Sea Rescue Radio Transmitters
  • German NS2 Transmitter, Developed in 1941
  • Philips NS2a Transmitter
  
18 
created by
Robert Rydzewski
  • German NS2 Transmitter Schematic
  
19 
created by
Robert Rydzewski
  • Youth in Bloom" Gibson Girl Drawing by Charles Dana Gibson
  • American BC-778 Dinghy Transmitter
  • BC-778 Transmitter in its Case, from June 1945
  
20 
created by
Robert Rydzewski
  • Marconi Company Emergency Transmitter-Receiver, 1913
  • AN/CRT-3 Transmitter Schematic
  
22 
created by
Robert Rydzewski
  • Early Eqpt Profile: An Unusual Japanese Vacuum Tube
  • Detectron" Tube by Annaka Wireless Works in Tokyo
  
23 
created by
Robert Rydzewski
  • Key & Telegraph: Needle Telegraph Instruments
  • Single- & Double-Needle Telegraph Receivers
  • European Curved-Lever Key
  
24 
created by
Robert Rydzewski
  • Commerce Radiophone
  
26 
created by
Robert Rydzewski
  • Vacuum Tube: Two Views of Tube Development
  • Soviet 100-kW Water-Cooled Tube
  • American 100-kW Water-Cooled Tube
  
27 
created by
Robert Rydzewski
  • The Tuneon: A British Tune-A-Lite
  • G.E.C. Tuneon Indicator Pin Diagram
  • Cossor Neon Tuning Indicators
  • Four-Electrode Noise-Squelch Tuneon Circuit, from Ghirardi
  
28 
created by
Robert Rydzewski
  • TV Receiver: Scratch-Built TV - Silver Anniversary
  
32 
created by
Robert Rydzewski
  • Hum in Your Radiola 41 or Similar RCA?
  
33 
created by
Robert Rydzewski
  • Meet the Collectors: Atwater Kent 545
  
34 
created by
Robert Rydzewski
  • Recycling the Philco 1908 (A-801) Car Radio
  
35 
created by
Robert Rydzewski
  • Loudspeaker: Timbretone Horn Speakers
  
36 
created by
Robert Rydzewski
  • Recent Obits: Peter Herman Adler; Gerald A. Bartell; Harold E. Beste
  • RO: Glenn G. Boundy; William James Burrud; Gertrude Dargis; Joseph P. Dougherty
  • RO: Charles Ellis; Douglas Edwards; Gordon A. Ewing; Irwin Feerst; Earle Fletcher
  • RO: William G.H. Finch; Kenneth Germeshausen; Melvin Getzler; Luis G. Gonzales
  • RO: Ben Gradus; Julian Keith Henney; Ward D. Ingrim; Josif Kahramen
  • RO: George A. Lawler; Alice Pentlarge Loeb; Everett G. Mitchell; Yuko Nakamura
  • RO: William S. Paley; John E. Platt; G. Kathleen Parkin; Arthur L. Samuel
  • RO: Bruce E. Saunders; Paul Shannon; Robert J. Sinnett; Evelyn Spitalny
  • RO: Kenjiro Takayanagi; Bud Thackery; Luke Walton; Paul Weeks: John Winters
  • RO: Merle C. Worster
  
37 
created by
Robert Rydzewski
  • Mailbag: Restoring Radars; Stocking Up On Tubes
  • Mailbag: NBC Chimes; Philco Tropic; OT Winners
  
45 
created by
Robert Rydzewski
  • Mindy Rosewitz & Watson With BC-403D Indicator
  
46 
created by
Robert Rydzewski
  • The Vibroplex Co., Inc. - 1890 to 1990
  • William Edward Ayrton
  • Introduction to Key Collecting
  • Radio Collector
  
47 
created by
Robert Rydzewski
  • The Long Island Spy Station
  

Attachments

Currently no attachments available.


  
rmXorg