A family of mechanics
Subtitle: a study of the patents of some descendants of Robert Hoe
By: by Malcolm Seymour.
Publisher: M. Seymour
Published: 1976
Place of publication: Jupiter, Fla
Language: eng
Subjects: Hoe family.; Seymour family.; Inventions -- United States -- History.; Patents -- United States -- History.; Printing machinery and supplies.; Printing presses.