RMW7DF2B–Using carriage-mounted pneumatic drills, workers advance a heading of the Hoosac Tunnel, America's first major rock tunnel, begun in 1851. Behind them
RMW7CM94–Purana Puri, Hindu Philosopher, elevating his arms above his head, 1811. Artist: Unknown
RMW7CM92–Indra, principal of the Vedic gods of India mounted on his elephant, c1880. Artist: Unknown
RMW7CAE2–Washing plant at De Beers diamond mines, Kimberley, South Africa, c1900. Artist: Anon
RMW7CM9B–Diagram of Mrs Anne Edson Taylor in the barrel in which she plunged over the Niagara Falls, 1901. Artist: Unknown
RMW7CXKE–American prisoners of war, victims of German gas attacks, World War I, 1918. Artist: Unknown
RMW7CJR1–Admiral Togo visiting Russian Admiral Rozhestvensky in hospital, Russo-Japanese War ,1904-5. Artist: Unknown
RMW7CRGE–Battle of Yorktown, Virginia, American War of Independence, 1781. Artist: Unknown
RMW7CMW6–Great Pyramid of Cheops at Giza being used as an astronomical observatory, 1891. Artist: Unknown
RMW7CNM9–Storing ice in insulated sheds at Charles's Ice Store, Chelsea, London, 1861. Artist: Unknown
RMW7CK9X–Galileo's observation of sunspots, 1613. Artist: Galileo Galilei
RMW7CMP3–Title page of Isagoge in Typum Cosmographicum seu Mappam Mundi by Peter Apian, 1523. Artist: Unknown
RMW7CP7R–Antoine Cesar Becquerel (1788-1878), French physicist, 1878. Artist: Unknown
RMW7CNKP–Merchantmen and other shipping in the English Channel, 19th century. Artist: George Chambers
RMW7CKPR–Graham White, British pioneer aviator, c1910. Artist: Unknown
RMW7CM5P–Amelia Bloomer, American feminist and champion of dress reform, 1869. Artist: Unknown
RMW7CKHD–Protestants burned at the stake for refusing to deny their faith, Smithfield, London, 1556. Artist: Unknown
RMW7CP9J–Edward VIII (1894-1972), King of Great Britain and Ireland. Artist: Unknown