TY  - BOOK
ED  - Audel (Teho.) and company, New York. [from old catalog]
TI  - Audel's mechanical drawing guide,
U1  - 604.2 
PY  - 1947///]
CY  - New York
PB  - T. Audel & co.
KW  - Mechanical drawing
KW  - Machinery
KW  - Drawings
KW  - MCE
ER  -