TY  - BOOK
AU  - Giesecke, Frederick E.
AU  - Mitchell, Alva,;Spencer, Henry Cecil,
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 2
PY  - 0000///46
CY  - 
PB  - 
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Mechanical drawing
N1  - The authors' manual, Technical drawing problems ... is intended as a supplement to this text.--Pref; Bibliography of technical drawing and related subjects: p. 547-552; 5
ER  -