Facts
- Author
- Clark, Daniel
- Language
- English
- Project Gutenberg No.
- 23813
- Released on Project Gutenberg
- December 11, 2007
- Bookshelves
- Engineering & Technology, Health & Medicine
- Subjects
- Electrotherapeutics
- Public domain in the USA
- yes
Sources: Project Gutenberg catalogue (public domain), Wikidata (CC0)