Thring, M.W
How to Invent/ (Print Resources) By M.W Thring and E.R Laithw Aite. - New York: Chemical Publishing, 1977. - vii, 173p.: ill. 24cm.
Includes Index.
B-6783
Inventions
T212 / .T47
How to Invent/ (Print Resources) By M.W Thring and E.R Laithw Aite. - New York: Chemical Publishing, 1977. - vii, 173p.: ill. 24cm.
Includes Index.
B-6783
Inventions
T212 / .T47