Fleet Street runs east from Temple Bar, the boundary between the Cities of London and Westminster, as a continuation of the Strand from Trafalgar Square. It crosses Chancery Lane and Fetter Lane to reach Ludgate Circus by the London Wall. The road ahead is Ludgate Hill. The street numbering runs consecutively from west to east south-side and then east to west north-side. It links the Roman and medieval boundaries of the City after the latter was extended. The section of Fleet Street between Temple Bar and Fetter Lane is part of the A4, a major road running west through London, although it
Set square 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 outer edges are typically bevelled. These set squares come in two usual forms, both right triangles: one with 90-45-45 degree angles, the other with