Maps
| Title | 18" theodolite |
| Date | 1894 |
| Scale | 1 : 2/3 |
| Dimensions | 20 x 27.8 cm |
| 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 | IV |
| Source Date | 1894 |