Trafalgar Square draw up plans for clearing a large area south of Kent's stable block, and as far east as St Martin's Lane. His plans left open the whole area of what became Trafalgar Square, except for a block in the centre, which he reserved for a new building for the Royal Academy. The plans included the demolition and redevelopment of buildings between St Martin's Lane and the Strand and the construction of a road (now called Duncannon Street) across the churchyard of St Martin-in-the-Fields. The Charing Cross Act was passed in 1826 and clearance started soon after. Nash died soon after
Set square for "geometry triangle"), it was originally developed and trademarked by the German-Austrian manufacturer "Aristo-Instrumente Dennert KG" (now "GEOtec Zeichen- und Kunststofftechnik GmbH") in 1964. Set square A set square or triangle (American English) is an object used in engineering and technical drawing, with the aim of providing a straightedge at a right angle or other particular planar angle to a baseline. The simplest form of set square is a triangular piece of transparent plastic (or formerly of polished wood) with the centre removed. More commonly the set square bears the markings of a ruler and a half circle protractor. The