I am wrong right now but I will be right some day
Several months ago I ran across an item briefly described as a Sanborn fire atlas. I may have heard of them but didn’t understand what they are. They are interesting highly detailed maps of towns and cities prepared for use by local officials and the fire insurance industry for rating risk and by extension establishing insurance premiums. More recently they have become primary source research material. In the United States they date from the 1860s but came into wide use in the 1880s. According to many dealers with whom I spoke about them they are immediately fascinating and very diffic...
