Cumming, James D. <br/><br/>
Diamond drill handbook / 
by James D.Cumming and A.Percy Wicklund 
 - 3rd rev and reprinted edition 
 - Toronto, Canada :  J.K.Smit,  1980 
 - 547 p. :  ill. ;  24 cm. 
<br/><br/> 3rd ed. 1975  With:Diamond drill chart 
<br/><br/>Bibliography : p. 508-512 Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Boring<br/>Boring machinery