511.1  / J64r <br/>
Johnston, James Halcro <br/>
       THE REVERSE NOTATION 
 / INTRODUCING NEGATIVE DIGITS WITH TWELVE AS BASE 
 .- London And Glasgow: Blackie And Son Limited,  1937 
 .- 74 . 
<br/><u>Subject Headings:</u> <br/>Numeration;<br/>Weights And Measures;<br/>Time Measurements;
<br><U>Copy Details:</u><br> Acc. No.: <b>6218</b>, Full Call No.: 511.1 J64r,   Item type:  Books , Location: COMPACT STORAGE (BASEMENT), <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>