Another document from a 1866 - The Johnson Chart of World Time Zones, from Washington --- https://upload.wikimedia.org/wikipedia/commons/1/13/1866_Johnson_Char

Another document from a 1866 - The Johnson Chart of World Time Zones, from Washington --- https://upload.wikimedia.org/wikipedia/commons/1/13/1866_Johnson_Chart_of_World_Time_Zones%2C_from_Washington_-_Geographicus_-_TimeZones-johnson-1866.jpg https://upload.wikimedia.org/wikipedia/commons/1/13/1866_Joh...