A lecture delivered before the Franklin Institute, Philadelphia, February 1893, and before the National Electric Light Association, St. Louis, March 1893.
- ISBN10 1627932216
- ISBN13 9781627932219
- Publish Date 28 June 2013
- Publish Status Active
- Publish Country US
- Imprint Start Publishing
- Format eBook (EPUB)
- Pages 72
- Language English