Forfatter
Society of Photo-optical Instrumentation Engineers
624
ebrary, Inc
442
SpringerLink (Online service)
321
ProQuest (Firm)
288
Society of Photo-Optical Instrumentation Engineers
205
International Correspondence Schools
175
Society of Manufacturing Engineers
170
IEEE Xplore (Online service)
147
Technical Association of the Pulp and Paper Industry
141
Forest Products Laboratory (U.S.)
133
Institute of Electrical and Electronics Engineers
121
American Society of Mechanical Engineers Winter Annual Meeting
111
Textile Institute (Manchester, England)
99
American Society of Mechanical Engineers Pressure Vessels and Piping Division
94
British Intelligence Objectives Sub-Committee
92
SPIE (Society)
92
Autofact
85
Davim, J. Paulo
84
Edgar Fahs Smith Memorial Collection (University of Pennsylvania)
80
National Institute of Standards and Technology (U.S.)
77
American Society for Testing and Materials
67
De Gruyter
67
Gotham Book Mart Collection (University of Pennsylvania)
67
American Foundrymen's Society
66
Adam Matthew Digital (Firm)
64
John W. Hartman Center for Sales, Advertising & Marketing History
63
American Society of Mechanical Engineers Production Engineering Division
61
International Federation of Automatic Control
60
American Management Association
59
American Welding Society
59
American Society of Mechanical Engineers Winter Meeting
57
Hunter, Dard, 1883-1966
57
IS & T--the Society for Imaging Science and Technology
57
Food and Agriculture Organization of the United Nations
55
IEEE Computer Society
55
Muthu, Subramanian Senthilkannan
55
Minerals, Metals and Materials Society Annual Meeting
54
American Society of Mechanical Engineers
53
United States Department of Agriculture
53
American Society for Metals
47
Smith, Warren J
47
Dard Hunter Collection (Brown University)
46
Welding Institute
46
Germany (Territory under Allied occupation, 1945-1955 : U.S. Zone) Field Information Agency, Technical
45
United Nations Industrial Development Organization
45
United States General Accounting Office
45
American Iron and Steel Institute
43
American Production and Inventory Control Society
42
European Optical Society
42
Aluminum Company of America
41
mere ...