Technics and purpose 

 - London :  S.C.M. press ,  1957 
 - pts ;  19cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--Collected works<br/>Religion<br/>Science
<br/><br/><label>Dewey Class. No.: </label>PS 215.o6242 T43