We give, in conclusion, photographs of two charts prepared for the Victorian Exhibition (1897) with a key.

The first gives the chief events of the Queen’s reign, the second the chief scientific discoveries.

1820182118221823182418251826182718281829
1830
1899

KEY TO CHART No. I.
CHART OF THE QUEEN’S REIGN.

1837.The Queen’s Accession. 1838. First Electric Telegraph.
1840.Queen’s Marriage—Penny Postage. 1841. Birth of Prince of Wales. 1842. Capture of Shanghai. 1846. Repeal of the Corn Laws. 1848. Death of Lord Melbourne—Chartist Revolt.
1850.Death of Wordsworth and Sir Robert Peel. 1851. First Great Exhibition. 1852. Death of the Duke of Wellington. 1854. Crimean War. 1857. Indian Mutiny.
1860.Death of Lord Aberdeen. 1861. Death of the Prince Consort. 1863. Prince of Wales’ Marriage. 1864. Birth of the Duke of Clarence. 1865. Birth of the Duke of York—Death of Lord Palmerston. 1869. Death of Lord Derby.
1871.Disestablishment of the Irish Church. 1876. Queen Proclaimed Empress of India. 1878. Death of Lord John Russell. 1879. Zulu War.
1880.Lord Roberts’ Relief of Candahar. 1881. Death of Lord Beaconsfield. 1884. Soudan War. 1885. Death of Gordon—Bible Revised. 1887. Queen’s Jubilee. 1889. Death of Browning.
1892.Death of Duke of Clarence. 1893. Marriage of Duke of York—Death of Tennyson—Home Rule Bill Rejected. 1894. Birth of Prince Edward. 1896. Jameson’s Raid. 1897. Queen’s Diamond Jubilee.
18301831183218331834183518361838Daguerre
1840 Joule
Mechanical Equivalent
of Heat.
1850 Origin
of
Species
LISTER
Edison’s
Phonograph
Maxim
Gun
Lord Rayleigh and Professor Ramsay

KEY TO CHART No. II.
SHOWING PROGRESS IN SCIENCE DURING THE QUEEN’S REIGN.

1837.First Telegraph. 1839. Photography—Daguerre.
1841.Sewing Machine. 1842. Nasmyth’s Steam Hammer. 1843. Ross’ Telescope. 1848. Planet Neptune Discovered. 1849. Joule’s Mechanical Equivalent of Heat—Anæsthetics.
1851.The Great Exhibition. 1852. Ophthalmoscope. 1854. Armstrong Gun. 1856. Tyndall’s Investigation of Glaciers. 1857. Atlantic Cable from Valentia to Newfoundland. 1858. The Great Eastern. 1859. Darwin, Origin of Species—Brunel’s Death.
1860.Stellar Spectroscopy—Huggins. 1861. Aeronautic Experiments. 1864. Clifton Suspension Bridge. 1865. Lister, Antiseptic Treatment. 1867. Death of Faraday. 1868. Suez Canal.
1870.Torpedo. 1871. Huxley, Anatomy of Vertebrates. 1872. Daily Weather Chart first begun. 1876. Challenger at Portsmouth—Bell’s Telephone. 1878. Electric Light on the Embankment. 1879. Phonograph.
1880.Pasteur’s Cure of Hydrophobia. 1882. Sir W. Siemen’s Steel Process. 1885. Maxim Gun. 1888. Stellar Photography—Sir Isaac Roberts. 1889. Bicycles, The Pneumatic Tyre.
1890.Forth Bridge. 1892. Tower Bridge. 1894. Argon, by Lord Rayleigh and Professor Ramsay. 1895. Röntgen Rays. 1896. Lord Kelvin’s Jubilee.

ECONOMICS FOR GIRLS.

By Margaret Bridges.