Coal & Fuel Mining
Volumetric and weight standards that powered the British Industrial Revolution.
All categoriesβοΈ Coal & Fuel Mining
Volumetric and weight standards that powered the British Industrial Revolution.
London Chaldron
A dry volume measure equal to 36 bushels, tightly enforced at the Port of London to regulate domestic coal shipments.
Approx. 1,309 litres
Newcastle Chaldron
An industrial shipping measure optimised for northeastern coal carts and river barges, roughly double the London variant.
Approx. 2,618 litres
Keel
An industrial weight unit equal to 8 Newcastle chaldrons, named after the flat-bottomed boats that ferried coal down the River Tyne.
21.54 tonnes
Standard Coal Sack
A retail street trade bag legally defined as one hundredweight (112 lbs) to prevent consumer short-measuring.
112 pounds = 50.802 kilograms
Corf
An underground mining container used in British collieries to haul newly hewn coal from the tunnel face to the surface.
4 to 7 hundredweight