TY  - BOOK
AU  - Ludwig,Oswald A.
AU  - McCarthy,Willard J.
TI  - Metalwork; technology and practice
AV  - TJ1160 .L8 1969
U1  - 621.7/5 
PY  - 1969///]
CY  - Bloomington, Ill.
PB  - McKnight & McKnight
KW  - Machine-shop practice
KW  - Metal-work
N1  - Bibliography: p. 607-609
UR  - http://www.archive.org/details/metalworktechnol00ludw
UR  - http://www.openlibrary.org/books/OL5616284M
ER  -