A Companion to all the principal places of curiousity and entertainment in and about London and Westminister : Containing an historical description of London, the river thames, the tower of London, the Monument, the Royal-Exchange, the Mansion-House, Guildhall, St. Paul's Cathedral, Westminster-Hall, Westminster-Abbey, the British Museum, and other places. With a concise and exact account of the curiosities contained in several of them. And a new, large, and elegant map of London, Westminster, and Southwark. Designed for strangers to chuse such objects as suit their convenience, and to enable them to describe what they have seen.