The improved Kelly-Duplex grinding mills ...
By: made only by the Duplex Mill & Manufacturing Co. (successor to Grinding Mill Dept., The O.S. Kelly Co.).
Contributors: O.S. Kelly Co. Grinding Mill Department
Publisher: Duplex Mill & Mfg. Co.
Published: 1913
Place of publication: Springfield, Ohio
Language: eng
Number of pages: 32
Copyright date: 1912
Subjects: Catalogs; Grinding machinery industry; Feed-grinders; Agricultural machinery; Duplex Mill & Manufacturing Co
Other titles: New improved Kelly Duplex grinding mills
Notes: Caption title.

Date from text.