Author
American Society for Testing Materials
2
Engineers' Society of Western Pennsylvania
2
Indiana Engineering Society. Meeting
2
Pakistan Engineering Congress
2
Brooklyn Engineers' Club
1
Institution of Engineers (Pakistan). Convention
1
Institution of Engineers and Shipbuilders in Scotland
1
Institution of Engineers, Ceylon
1
Institution of Engineers, Sri Lanka
1
Regional Research Laboratory (Jorhāt, India)
1
Society for the Promotion of Engineering Education (U.S.)
1
Society for the Promotion of Engineering Education (U.S.). Annual Meeting
1
West Pakistan Engineering Congress
1