sponsored by American Society for Metals ... [et al.] ; secretariat, Society of Manufacturing Engineers. sponsored by Association of Finishing Porcesses, Society of Manufacturing Engineers. sponsored & organised by IFS(Conferences) Ltd. and Society of Manufacturing Engineers. sponsored by the American Society for Metals ... [et al.] ; edited by William R. Apblett, Jr. sponsors, American Society for Metals, Engineering Society of Detroit. sponsored and organised by IFS (Conferences) Ltd and Society of Manuafacturing Engineers. sponsored by the Society of Manufacturing Engineers. sponsored by the Philadelphia Section, Society of Plastics Engineers. sponsored by the Optical Society of America in cooperation with Society of Photo-Instrumentation Engineers.