Hobbs, Glenn M.  1870- <br/><br/>
Practical mathematics  for beginners, for those who have forgotten revised by Dal Fitts 
Glen M. Hobbs, James McKinney 
 - 3d ed. 
 - Chicago  American Technical Society  [1973] 
 - 591 p.  illus  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--1961-
<br/><br/><label>Dewey Class. No.: </label>512  / .1