Vries, Leonard de. <br/><br/>
The second book of experiments / 
Leonard de Vries ; translated by Eric G. Bruge ; illustrated by Joost van de Woestijne. 
 - London :  J. Murray,  [c1963] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science -- Experiments.--Science -- Experiments.