TY  - BOOK
AU  - O'Donnell, L. H.
TI  - Reading engineering drawing: a basic systems program
U1  - 744.422 
PY  - 1962///
CY  - New York
PB  - Basic Systems Incorporated
KW  - Mechanical drawing
KW  - System program
KW  - Engineering
N1  - 1 v. (various paging) -----Panel book: programmed instruction for industry, New York,Basic systems inc.,1962
ER  -