Long Cecil
| Long Cecil | |
|---|---|
| Type | Howitzer | 
| Place of origin | Kimberley | 
| Service history | |
| In service | 1900-01-23 to 1900-02-15 | 
| Used by | British Empire | 
| Wars | Second Boer War | 
| Production history | |
| Designer | George Labram | 
| Designed | 1899 | 
| Manufacturer | De Beers | 
| Produced | January 1900 | 
| No. built | 1 | 
| Specifications | |
| Mass | 1,625 kilograms (3,583 lb) | 
| Shell weight | 13.5 kilograms (29.8 lb) | 
| Calibre | 104.14 millimetres (4.10 in) | 
| Carriage | Custom | 
| Elevation | 0° to +26° | 
| Traverse | nil | 
| Muzzle velocity | 512 metres per second (1,680 ft/s) | 
| Effective firing range | 7,300 metres (8,000 yd) | 
Long Cecil is a cannon built in the workshops of the De Beers mining company in Kimberley for use by the British in the Siege of Kimberley during the Second Boer War.