Boys, C.V. . <br/><br/>
Soap Bubbles: Their Colours and the Forces Which Mould Them /  Textual Documents 
C.V.Boys. 
 - 1st ed. / 
 - London :  Society fo Promoting Christian Knowledge ,  1912. 
 - 185p. :  ill ;  20cm . 
<br/><br/><label>Subjects--Index Terms: </label>Games Soap Bubbles G-Technology 
<br/><br/><label>Dewey Class. No.: </label>796.11  / B 712 So