100 years of patents
Subtitle: U. S. patent no.491 issued 100 years ago to William Crompton
By: by George Crompton (his grandson) 100 years of patents as issued to Crompton & Knowles Looms Works and its predecessors, by Walter H. Wakefield.
Contributors: Wakefield, Walter H.
Publisher: Crompton & Knowles Loom Works
Published: 1937
Place of publication: Worcester, Mass
Language: eng
Number of pages: 35
Subjects: Crompton, William, 1806-1891.; Crompton and Knowles Loom Works -- Massachusetts -- Worcester.; Looms -- Patents.; Textile industry -- History.
Notes: On cover: 1837-1937.