Thomson, Ross <br/><br/>
Structures of change in the mechanical age: technological innovation in the Unit 

 - Balmore  John hopkins uniiversity press  2009 
 - xiv,432p. 
<br/><br/><label>ISBN: </label>255975 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technological innovations -unied states -history
<br/><br/><label>Dewey Class. No.: </label>609.73  / THO