Do you ever think about these things?
By: By M.P. Northam
Contributors: Emerson Engineers (New York, N.Y.)
Publisher: The Emerson Engineers
Published: 1920
Place of publication: New York
Language: eng
Number of pages: 29
Subjects: Industrial efficiency
Notes: Cover-title.

Microfilm. New York, N.Y., Columbia University Libraries, 1994. 1 microfilm reel, 35 mm.

Filmed; NEH Project (FMEST); 1994.