TY  - BOOK
AU  - Wallach,Paul Ross
TI  - Drafting
SN  - 0028296001
AV  - T353 .W237 1981
U1  - 604.2/4 19
PY  - 1981///
CY  - Encino, California
PB  - Glencoe Publishing Company
KW  - Mechanical drawing
N1  - Includes index
ER  -