| Author: | William Gaertner and Company |
| Subject: | QB, Astronomical instruments -- Catalogs |
| Format: | Text |
| Date issued: | 2008 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Astronomical Instruments and Accessories [electronic resource] / William Gaertner and Company |