Lend a helping hand on suggestions and inventions
Subtitle: subjects upon which volumes could be written, all for bettering the conditions of humanity, and for improving the industries of the nation.
Contributors: YA Pamphlet Collection (Library of Congress)
Publisher: C.D. Mosher
Published: 1891
Place of publication: Chicago, Ill
Language: eng
Number of pages: 70
Subjects: Progress.; Technology.
Other titles: Book of inventions for railroad companies and for the people; Practical scientific industries