Cohn B <br/><br/>
Tables of addition and substraction logarithms with six decimals 

 - 2 
 - London  Scientific Computing          1939 
 - viii,63p.  cm. 
<br/><br/><label>Standard No.: </label>61645 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>Bd, G9