Age of reason. 

 - Videocassette (VHS)(ca. 30 min.) :sd., col, 1/2 in. 
<br/><br/> Science and technology has improved the quality of our life. A short tape on pure and applied research. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science.<br/>Pure Science.<br/>Technology