RADIO ENGINEERING OCTOBER 1929 / TUBE RADIOS ADS + Start Price USD 9.99 Current Price USD 9.99 Time Left - Bid Count 0 Buy It Now Price - Reserve Price - Start Time Saturday, November 29, 2008 End Time Tuesday, December 09, 2008 Location Lakewood, Ohio See more about 'RADIO ENGINEERING OCTOBER 1929 / TUBE RADIOS ADS +' Description Title of your page goes here RADIO ENGINEERING OCTOBER 1929 / TUBE RADIOS ADS + This publication titled and subtitled Radio Engineering / The Journal of the Radio Industry was published monthly, beginning in 1920, by Bryan Davis Publishing Co. of New York City. The publication includes current news and developments, trends, articles of interest and other information of the radio industry as well as related industrial advertising. These magazines were almost required reading by anyone involved in the engineering or marketing of radios or radio parts and these magazines were also followed closely by those with home radio workshops and those who had an interest to keep current on the latest developments in radio. This is an original October, 1929 issue of Radio Engineering. A detail of the primary articles and full page advertising is as follows: October, 1929 - Volume IX - No. 10 - 102 Pages Articles are - Editorial - Outside Purchasing - One page editorial - Discusses the aspect of radio set manufacturers using parts developed and produced by parts manufacturers rather than being self-contained and producing their own parts for assembly / Impressions and Expressions - (1 page) Short articles titled: Will there be a Tube Shortage ; For the Sake of a Few Pennies ; That Belated Television Debut ; How about Short Sales / The Grid-Suppressor Circuit - (3 page article subtitle is) - Discussion of Regenerative Amplifier from Viewpoint of Transmission and Oscillation Characteristic / Simplifying “Straight Line” Condenser Design - (5 ½ page article, subtitles are) - Some Interesting Data on the Characteristics of S. L. C., S. L. W. And S. L. F. Condensers - Simple Design Method ; “Reverse” Method ; Limitations on “Straight Line” Plates Due to Extended Foreign Allocations ; Station Spacing and Dial Detuning Interval ; Use of S.L.W. Plates to Prevent Crowding ; Above Broadcast Band ; Dial Detuning Interval ; Sharpness of Detuning Versus Spreading of Stations ; Detuning by S.L.W. Versus S.L.F. ; Methods of Combining S. L. F., S. L. W. And S. L. C. Plates / Tantalum, Tungsten, and Molybdenum in Vacuum Tubes (2 ½ page article subtitles are) - The Characteristics and Applications of these Rare Metals - Tungsten ; Molybdenum ; Tantalum ; Table - Technical Characteristics of Certain Metals / Electromagnetic Phonograph Pickups - ( 4 ½ page article, subtitles are) - The Determination of Relative Frequency Characteristics and Sensitivity –and the Measurement of Record Wear - Use of Constant Frequency Records ; Effect of Load ; Frequency Characteristics ; Determination of Relative Sensitivity ; Determination of Record Wear / Making the Price Grade (3 page article, subtitles are) - Impressions Gathered Here and There on How the Radio Industry is Reconciling Maximum Quality with Minimum Cost - Standardization–The Firm Foundation ; As it was in the Beginning ; The One Danger–Over-Production ; What about Allied Fields ? ; “Purchasing Agent Engineering” ; The Best Equipment is Cheapest in Long Run ; Interchangeable Products ; Trained–and Contented–Help ; Ducking the Replacements and Returns ; Perfecting Products Out in the Field ; Building Up a Capable Service Force ; In Conclusion / Vacuum Tube Design and Production Part II (2 page article, subtitles are) - The Production Testing of Vacuum Tubes - The Power Supply ; Meter Protection ; The Preheaters / Public-Address and Centralized Radio Systems - Part I - The Power Amplifier and Power-Supply Unit - Combined Amplifier and Power-Supply Type ; Separate Power Supply ; Portable Public-Address Amplifier ; Input and Fadar Controls / The Engineering Rise in Radio (3 + page article, subtitles are) - Part XVII - The Super-Regenerative Receiver ; The Neutrodyne Receiver ; Other Neutralizing Inventions ; Reflex Circuits // The Trend of Invention - (1 page short descriptive statements of recently issued patents, subtitles are) - Reduction of Fading in Radiosignals ; Oscillation Circuits ; Electrical Condenser ; Amplifying Circuits ; Broadcast Receiving System ; Method and Means for Combining Frequencies ; Combined Radioreceiver and Phonograph Reproducer and Recorder ; Radio Receiving System // News of the Industry (3 pages of short articles dealing with recent news in the radio industry, selected articles are) - Polymet again Increases Space ; Radio Legislation ; Northern Merges with National Union ; Stevens-Sibley Phonograph Motor to be Made in England ; Stevens Granted Basic Patent on Cloth Diaphragm ; National Union Radio Corp. Formed ; Polymet Stock Split ; Predicts Brisk Rural Radio Sales this Fall ; RMA to Make study of Advertising Costs ; Radio-Victor “Theremin” ; “Philco News” Makes Appearance // New Developments of the Month (2 pages of brief articles are) - New Hammarlund Products – R-F. Amplifiers - R-F. Choke - Audio and Power Transformers - Voltage Divider and Condenser Block ; Sparton Announces D-C. Models ; New Pacent Pickups, Motor, and Phonotrol Automatic Changeover Switch and Adaptor ; Dubilier Replacement Blocks ; New Binks Spraying Unit ; New Philco Set ; Jefferson No. 371 Replacement Transformer. Company Full Page, Including Cover, Advertising Includes - National Vulcanized Fiber Company ; Formica ; Sylvania Products Company ; Scovil Manufacturing Company ; Dudlo Manufacturing Company ; Elkon Inc ; Herbert H. Frost, Inc ; National Union Radio Corporation ; Wireless Specialty Apparatus Company ; Samson Electric Company ; Leslie F. Muter Company ; Aluminum Company of America ; Allied Die-Casting Corp ; Ettco Tool Co ; Republic Metals ; Marvin Radio Tube Corporation ; Polymet Products ; The Allen D. Cardwell Manufacturing Corporation ; Clarostat Manufacturing Company ; Triad Mfg. Co ; Gilby Wire Company ; Centralab (Central Radio Laboratories) ; Duovac Radio Tube Corp ; Jefferson Electric Company ; General Electric Company ; International Resistance Co ; Lepel High Frequency Laboratories ; General Plastics, Inc ; Fansteel Products Company ; Jenson Radio Manufacturing Company ; Sangamo Electric Company ; The Amrad Corporation ; Thordarson Electric Manufacturing Co ; Bakelite Corporation (Back cover ad).. Condition - The light green cover with black print appears to be unfaded. There are some mild scuffs and smudges from years of even handling with care and storage. There is a crease that extends the length of the front cover that is more noticeable on the inside of the cover that the front side but it is also a noticeable crease when you open the cover. There is a corner crease at the bottom of the front cover but it is not a significant distraction. There is a small (about one-quarter inch) inward tear near the center of the outer edge of the front cover. There is no other significant edge wear. The spine edge has only no noticeable fraying. The magazine title, month and year, and Volume No. printed on the spine edge is clear and the binding is square. There are no markings in the magazine/journal including no previous owners names. There are no missing, loose, creased or marked pages. The text page print and the advertising print and illustrations are clear and bright. The magazine is in overall very good condition. Buyer pays S &H. Payment must be via paypal. 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