Professor John Tyndall, Irish natural philosopher mb-code SF35325 figures 3 and 4 show

figures 3 and 4 show Smeaton's technique of dovetailing masonry for added strength

Spoke Milligan and Harry Secombe

The lower image shows the Lower House consisting of Deans

showing the interior of the Stock Exchange

Frontispiece to John Bunyan's The Pilgrim's Progress

Professor John Tyndall, Irish natural philosopher mb-code SF35325 figures 3 and 4 showProfessor John Tyndall, Irish natural philosopher, c1890. Tyndall (1820 1893) was appointed Professor of Natural Philosophy at the Royal Institution, London in 1854 and became President of British Association for the Advancement of Science in 1874. Some of his most notable work was carried out in the fields of heat radiation and acoustics. A keen mountaineer, he combined the pastime with studies of glacial motion in the Swiss Alps. Towards the end of