HS0004

Did You Know?

The Heliograaf site at Sandfontein is associated with the Battle of Sandfontein, which took place on 26 September 1914 during the South African invasion of German South West Africa (modern-day Namibia) in World War I. The battle was fought between South African Union Defence Forces and German colonial troops, resulting in a German victory. The site likely refers to a heliograph station used for military signalling, as heliographs were portable mirrors that flashed sunlight to send Morse code messages across long distances, a common communication method in the arid, open terrain of the region during that era. Sandfontein is located in the ǁKaras Region of southern Namibia, near the border with South Africa. The battle occurred when a South African column, advancing from the south, was ambushed and surrounded by German forces at a waterhole. The South African commander, Lieutenant Colonel E.M. Grant, surrendered after running low on water and ammunition. The heliograph would have been crucial for coordinating troop movements and requesting reinforcements, but the rugged hills and heat limited its effectiveness during the engagement. Today, the site is a historical battlefield, with remnants of stone cairns and graves marking the fallen. It is not a formal heritage museum, but it is recognised as a significant site in Namibian and South African military history. The heliograph itself was a standard British and German military device of the period, and its use at Sandfontein reflects the broader reliance on visual signalling in colonial campaigns where telegraph lines were absent.

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