A terrella expensive A view of Hog Lane

A view of Hog Lane

Plan of the City of London and surrounding area showing fortifications erected during the English Civil War

' T William Elford Leach (1790-1836) British naturalist was elected a Fellow of the Royal Society in 1816

Matthew Wood

She set a women's record for the 12-hour time-trial which exceeded the men's record for two years

A terrella expensive A view of Hog LaneA terrella ('little earth') is a sphere made of a magnetized substance, used to simulate the magnetic field of the earth. In the 16th century the English physician William Gilbert used a terrella made out of lodestone (a naturally occurring magnetized mineral) to demonstrate that the earth is magnetic, and to explain how mariner's compasses work. 17th century