| Author: | Caithness, James Sinclair, 14th earl of, 1821-1881 |
| Subject: | Q, Science, Industrial arts |
| Format: | Electronic text |
| Date issued: | 2005 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Lectures on popular and scientific subjects [electronic resource] / James Sinclair Caithness |