7868
Helsel, Jay D.
Reading engineering drawings through concepturl sketching
New York
Gregg Division, McGraw-Hill
c1979
viii, 219p .:ill
Includes index
)by( Jay D. Helsel )and(Shriver L. Coover
Engineering Drawing
Mechanical drawing
TA
175
.
H44
AU
AU Coover Shirver L., Joint author
TI
CL
