Explanation:
great steam wireless show => Grande Show de Radio a Vapor

Cutting Edge Radio: How to Create the21st CenturyWorld's Best ...
The Great Steam Wireless Show ( 1. TAKE 2. Rethinking Radio ( 11. TAKE 3. What Works Best on Radio ( 29. TAKE 4. Writing Better Radio ( 54 ...
www.cp1897.com.hk/product_info.php?BookId=0130093157 -

Amazon.co.jp： Cutting Edge Radio: How to Create the World's Best
TAKE 1: The Great Steam Wireless Show TAKE 2: Rethinking Radio TAKE 3: What Works Best on Radio TAKE 4: Writing Better Radio ...
www.amazon.co.jp/Cutting-Edge-Radio-Create-Century/.../0130...


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Note added at 7 hrs (2009-11-23 22:13:51 GMT)
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The New England Wireless and Steam Museum
An electrical and mechanical engineering museum emphasizing the beginnings of radio and steam power.
www.newsm.org/

It is obvious that the old radios were not run on steam - but the electricity on which they ran WAS generated by steam.

It is also obvious that the Name: "great steam wireless show" is just a catchy phrase to use as a title for the chapter of this book and has ABSOLUTELY nothing to do with antique radios - as the subject of the book is the making of the most memorable and successful radio advertisements.