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The "Spaceship Earth" metaphor is traditionally attributed to Boulding.  
However, I once discovered the analogy in a book by a 19th-century  
economist. I have long been wondering how obscure this early use of  
the metaphor is. I would appreciate replies by the list members who  
know of the 19th-century (or maybe earlier?) occurence of the analogy.  
If no one hits upon the author and the title I have in mind, I will, of  
course, name them myself.    
 
Yuri Tulupenko 
 
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