White T.A.B. Au. <br/><br/>
Patents for inventions 

 - 4th 
 - London  Stevens and sons limited England      1974 
 - 749p  cm. 
<br/><br/><label>Standard No.: </label>19,049 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Z:2673, L4