When must a thing be left to chance?
Subtitle: criteria for determining when fluctuations in observed phenomena indicate the presence of causes of such fluctuations which probably can be found and controlled : illustrated from the fields of research, design, development, inspection and economics
By: by W.A Shewhart
Contributors: Bell Telephone Laboratories. Inspection Engineering Department
Series: I.E.B -- 1; Bulletin (Bell Telephone Laboratories, inc. Inspection Engineering Department) -- 1
Publisher: Bell Telephone Laboratories, Inspection Engineering Department
Published: 1929
Place of publication: New York, N.Y.?]
Language: eng
Number of pages: 35
Subjects: Engineering inspection; Mathematical models; Quality control
Notes: Microfilm. New York, N.Y. : Columbia University Libraries, 1995. 1 microfilm reel ; 35 mm.

Filmed; NEH Project (FMEST); 1995.