Credit: Courtesy of the Railroad Museum of Pennsylvania
To regulate the safe movement of the rapidly growing number of trains, railroads first developed time tables and then collaborated to create the standard time zones of today.
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Phila, GTown, and Norristown RR Schedule, 1832
Credit: Courtesy of the Railroad Museum of Pennsylvania
To regulate the safe movement of the rapidly growing number of trains, railroads first developed time tables and then collaborated to create the standard time zones of today.
