Horse mill

Lore & Background

The donkey or horse-driven rotary mill was a 4th-century BC Carthaginian invention, with possible origins in Carthaginian Sardinia. Two Carthaginian animal-powered millstones built using red lava from Carthaginian-controlled Mulargia in Sardinia were found in a 375–350 BC shipwreck near Mallorca. The mill spread to Sicily, arriving in Italy in the 3rd century BC. The Carthaginians used hand-powered rotary mills as early as the 6th century BC, and the use of the rotary mill in Spanish lead and silver mines may have contributed to the rise of the larger, animal-powered mill. It freed the miller from most of the heavy burden of his task and greatly increased output through the superior stamina of horses and donkeys over humans.

A four-horse mill at Beamish Museum, rescued from Berwick Hills Low Farm in Northumberland, has not been used since about 1830 when it was superseded by portable engines. It is based on a central, vertical, heavy, 10 feet (3.0 m) high, oak axle, with its base pivoting on an iron framework set in the middle of the gin gang floor. The main axle supports around its top end the main, 6 feet (1.8 m)-diameter, horizontal gear wheel. The main drive shaft runs from the main gear wheel through a hole in the threshing barn wall and in the barn it powers the threshing machine and other machines. This is a powerful horse mill for four horses; probably English ponies, as modern heavy horses were not yet fully bred in the 1830s.

A horse gin at Nottingham Industrial Museum was constructed in 1841 to sink the Langton Colliery shaft and moved in 1844 to Pinxton Green Colliery. It was still working in 1950 and was erected in the museum in 1967. It was used at a pit head to raise coal to the surface. Horse gins were a common sight in coal mining areas, often used where the coal was shallow. They were most prolific in the Ruiton farm area of the Black Country. The 'gin' used at Ellowes Colliery was believed to be the last working example in the Black Country. The Noah Hoover Mennonites, an Old Order Mennonite group that does not allow any engine power at all, still has several horse mills in use, both in the US and in Belize.

Reader's Guide

Horse mills represent a significant stage in the history of mechanical power, bridging human-powered hand mills and later steam and portable engines. Their invention in the 4th century BC by Carthaginians, possibly in Sardinia, demonstrates early innovation in harnessing animal stamina for industrial tasks. The spread of the technology to Sicily and Italy by the 3rd century BC shows its importance in ancient Mediterranean economies. The horse mill freed millers from heavy labor and greatly increased output, making it a key technology for grain grinding, water pumping, and later coal mining. The survival of horse mills into the 20th century, such as the one at Nottingham Industrial Museum that worked until 1950, and their continued use by the Noah Hoover Mennonites today, illustrates the technology's long lifespan and adaptability. The detailed construction of the four-horse mill at Beamish Museum, with its massive oak axle, gear wheels, and torque stresses, reveals the engineering challenges of such machines. The use of horse gins in shallow coal mining, especially during the 1926 Miners' Strike in the Black Country, highlights their role in both legal and illegal mining operations. The replacement of horse mills by portable engines around 1830 marks a turning point in industrialization, yet their legacy persists in museum exhibits and in the practices of communities that reject engine power.

Did You Know?

• The donkey or horse-driven rotary mill was a 4th-century BC Carthaginian invention, with possible origins in Carthaginian Sardinia.
• Two Carthaginian animal-powered millstones made from red lava from Mulargia in Sardinia were found in a 375–350 BC shipwreck near Mallorca.
• A horse gin at Nottingham Industrial Museum was constructed in 1841 to sink the Langton Colliery shaft and was still working in 1950.
• The Noah Hoover Mennonites still use horse mills in the US and Belize, powering sorghum-cane juicers and saw mills.