Facts
- Author
- Macomber, Hattie E.
- Language
- English
- Project Gutenberg No.
- 19533
- Released on Project Gutenberg
- October 13, 2006
- Subjects
- Inventions
- Public domain in the USA
- yes
Sources: Project Gutenberg catalogue (public domain), Wikidata (CC0)
Sources: Project Gutenberg catalogue (public domain), Wikidata (CC0)