Explanation of signs used
Publisher: Chas E Goad Limited
This explanation of signs used is from the larger "key plan" for the Insurance Plan of the City of Manchester Vol. II. The legends to these maps are necessary in order to interpret the detailed symbology used in the plans, such as the number of floors; construction materials (and thus risk of burning) and special fire hazards (chemicals, kilns, ovens); presence of windows and skylights; street addresses; and abbreviations indicating use of the property.
The British Library holds a comprehensive collection of fire insurance plans produced by the London-based firm Charles E. Goad Ltd. dating back to 1885. These plans were made for most important towns and cities of the British Isles at the scales of 1:480 (1 inch to 40 feet), as well as many foreign towns at 1:600 (1 inch to 50 feet).