Images Dated 20th September 2011

HMS Audacious, British battleship, WW1

HMS Audacious, British King George V-class battleship, launched 1912. She saw no action during the First World War, as she was sunk by a German mine off the northern coast of Donegal, Ireland, as seen in this photograph. The crew can be seen taking to the lifeboats, and other ships coming to the rescue. Date: 27 October 1914

© Mary Evans Picture Library 2015 - https://copyrighthub.org/s0/hub1/creation/maryevans/MaryEvansPictureID/10530211

Greek letter Epsilon, upper case

Alpha is the first letter of the Greek alphabet and represents various concepts in many sciences including physics and chemistry. It is also commonly used in mathematics in algebraic solutions representing quantities such as angles. The greek alphabet has an important role in the nomenclature of astronomical bodies and subatomic particles. The uppercase letter alpha is not generally used as a symbol because it tends to be rendered identically to the uppercase Latin A. In the system of Greek numerals it has a value of 1

© DAVID PARKER/SCIENCE PHOTO LIBRARY

Mountain Artillery with Mule Team and Quick Firing Gun

Box set of model soldiers: Mountain Artillery with Mule Team and Quick Firing Gun.Manufactured by William Britains Ltd, London, British Soldiers series, Box Set No 28, 1908.Eleven model soldiers.From a collection of W Britain Ltd model soldiers, vehicles and artillery, 1930-1950 (c). Date: 1908

© The National Army Museum / Mary Evans Picture Library