It is not quite clear when the first mill was established in Potchefstroom, but as early as 1855 an effort was made to bring the works and water wheel of a mill from Natal to Potchefstroom.
On an 1868 map of the town, drawn by Fred Jeppe, mills of Hendrikz, Riketts and Grobler are indicated. Some seven mills from the previous century are known, but not one of the watermills survived. Only a street name, Molen (Dutch for mill) is an indication of where the water mills once stood.
The mill at the silo, known as the Horstfall Milling Company, was set in motion in 1921. The engine (a Rushtan Hornby engine) ran on steam and worked up to the time of the death of the owner, Mr W.H. Horstfall, in 1939. Soon afterwards the mill simply became an outlet of the South African Milling Company, which ran a larger mill in Klerksdorp. The Horstfall Mill was the first large industry in the town, and the precursor of Potch Industria.
Today the Snowflake Building, as it is called by locals, is a venue for functions, art exhibitions and home to the quarterly Life Food & Goods Market.