TY  - BOOK
AU  - Spencer,Henry Cecil
AU  - Dygdon,John T.,[from old catalog]
TI  - Basic technical drawing
AV  - T353 .Sp3 1968
PY  - 1968///
CY  - New York
PB  - Macmillan
KW  - Mechanical drawing
N1  - Including index
ER  -