Maps
| Title | 3 1/2 achromatic telescope |
| Scale | 1/6 |
| Dimensions | medium |
| Place of Publication | Cape Town |
| Publisher | W. A. Richards |
| Date Published | 1894 |
| Series | G |
| series No | 42 |
| Year | 1894 |
| Source | Annexures to the Votes and proceedings of the House of Assembly/Legislative Council |
| Source Volume | v |
| Source Date | 1896 |