The Longships Lighthouse off the Lands End sailing ships John Canton invented a technique

John Canton invented a technique for magnetizing iron bars to produce artificial magnets

pepperwood or southern prickly ash)

Stepney with figures

Illustrations accompanying a letter from Antoni van Leeuwenhoek to the Royal Society

The City aldermen and Lord Mayor John Garratt examining an enormous louse on the Mansion House state bed

The Longships Lighthouse off the Lands End sailing ships John Canton invented a technique'The Longships Lighthouse off the Lands End, Cornwall', 1814. View of the original Longships Lighthouse, built in 1795. The light was obscured in high seas and a taller tower was built in the mid 19th century. From A Voyage Around Great Britain Undertaken between the Years 1814 and 1825 by William Daniell.