TY  - BOOK
AU  - EdwardKHammond
TI  - Modern drilling practice, a treatise on the use of various type of single and multiple-spindle drilling machines
U1  - 621.952 
PY  - 1919///
CY  - New York
PB  - The Industrial Press
KW  - Drilling and boring machinery
N1  - Includes index
ER  -