Imperial Armour Starting in 2015, Forgeworld stopped using the `Volume X' notation, using just Imperial Armour and the title of the book. The rules contained in the following books are no longer valid, having been superseded by later editions of the "Warhammer 40,000" game and other Imperial Armour books. <br> Forge World has also published two Model Masterclass books, which focus on painting the often very large and extensive models they produce: Imperial Armour Imperial Armour is a series of rules supplements to the "Warhammer 40,000" table-top game, along with an associated range of vehicle-size resin model kits. Both are produced by
Imperial and US customary measurement systems of any direction by Congress, the United States Treasury chose the second smallest gallon, the "Queen Anne gallon" of 231 cubic inches (3.785 litres) to be the official gallon in the United States for fiscal purposes. Sixteen US fluid ounces make a US pint (8 pints equals 1 gallon in both customary and imperial systems). During the reform of Weights and measures legislation in the United Kingdom in 1824, old gallons were replaced by the new imperial gallon which was defined to be the volume to 10 pounds of water at 62 °F (17 °C) and determined experimentally to be