![](https://coimages.sciencemuseumgroup.org.uk/279/899/medium_thumbnail_1997_0074_0002.jpg)
Drawing illustrating the use of a plumbob and line and sight vane merkhet by the ancient Egyptians
- Made:
- 1913-1923
![Drawing illustrating the use of a plumbob and line and sight](https://coimages.sciencemuseumgroup.org.uk/670/616/medium_smg00005914.jpg)
Drawing illustrating the use of a plumbob and line and sight vane [merkhet] for astronomical purposes by the ancient Egyptians (for extra with 1913-573), 27x35cm