Growth of Landline Telegraphy

This is a graph of the number of landline messages transmitted in Belgium from 1851 up to 1947 and demonstrates the rapid growth of telegraphy. Note the affect World War II had on landline telegraph traffic. The data for this graph is from "Classics of Communication" by Fons Vanden Berghen, page 37. Fons's spectacular collection can be viewed at Greg Raven's website.

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