An Original Handwritten Letter Signed by William Whewell to Levi Leone. Dated 1855. A letter accepting the honour of having one of Levi’s work dedicated to him, and mentions a work on ‘The Influence of Christianity upon Mathematical Law’. William Whewell 1794-1866 was Master of Trinity College, Cambridge. Whewell introduced what is now called the Whewell equation, an equation defining the shape of a curve without reference to an arbitrarily chosen coordinate system. He also organized thousands of volunteers internationally to study ocean tides, in what is now considered one of the first citizen science projects. He received the Royal Medal for this work in 1837.[1]. Levi Leone, 1821-1888. English jurist and statistician. His chief work, History of British Commerce and of the Economic Progress of the British Nation, 1763-1870, is considered to be a partisan account of British economic development. Size is 185mm x 110mm. Condition is good. Light folding creases. Age toned and light marks to rear edge.