Gwilt, Joseph (1784 -1863)
Joseph Gwilt was the younger son of George Gwilt, the architect, of London and Surrey. Educated at St Paul's School, he entered his father's office and became an architect and Surveyor to the County of Surrey 1807 1846. In 1808, he married Louisa, third daughter of Samuel Brandram, merchant of London, and of Lee Grove in Kent. He wrote many important works on architecture. In 1811 he published A treatise on the equilibrium of arches, which went through several editions, and in 1822, Sciography, or Examples of shadows, with rules for their projection. In 1815 he published a collection of eighteen English madrigals arranged by himself, and also wrote Rudiments of the Anglo Saxon tongue, and the music article in the Encyclopædia Metropolitana. He was elected a Fellow of the Society of Antiquaries in 1815, and a member of the Royal Astronomical Society in 1838. His collection of modern instrumental music was sold by W. P. Musgrave at auction, 10 July 1828. Part of his library was sold at auction by Puttick & Simpson 31 May 1854, who also sold music from his collection 19 July 1854. The remaining part of his library was sold by S. L. Sotheby & J. Wilkinson on 18 June 1862.