TY  - BOOK
AU  - . Spooner, Henry J
TI  - Machine design. construction and drawing : text book for the use young engineers
U1  - 621.815 
PY  - 1962///
CY  - London
PB  - Longmans
KW  - Circles, arcs, and lines
KW  - How tyo draw straight lines and simple figures
KW  - Scales and drawing to scale
N1  - Includes index
ER  -