| Author: | Bidwell, Shelford, 1848-1909 |
| Subject: | QP, QC, Light, Vision |
| Format: | Text |
| Date issued: | 2012 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Curiosities of Light and Sight [electronic resource] / Shelford Bidwell |