Ritchie-Calder, Peter Ritchie  Baron Ritchie-Calder <br/><br/>
The evolution of the machine. 
Consultant: Eugene S. Ferguson, by Ritchie Calder. 
 - [New York]  American Heritage Pub. Co.; book trade and institutional distribution by Van Nostrand  [1968] 
 - 160 p.  illus. (part col.), ports. (part col.)  27 cm. 
 - The Smithsonian library .
<br/><br/>Bibliography: p. 154-155. 
<br/><br/><label>LCCN: </label>68017249 //r70 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machinery--History.
<br/><br/><label>LC Class. No.: </label>TJ15  / .R57 1968 
<br/><br/><label>Dewey Class. No.: </label>620/.009