The original method of charging adopted in Great Britain took the telephone instrument as the unit, charging a fixed annual rental independent of the amount of use to which the instrument was put.
As in Virginia, the county is the unit of government, though an unsuccessful attempt to introduce the township system was made in the first constitution.
Between 1500 and 4000 metres the charge inside the unit tube is much less, only 0.000040.
In comparing the figures, it should be noted that main line mileage in the Eastern states, as for example that of the Pennsylvania railroad and the New York, New Haven & Hartford, does not differ greatly in standards of safety or in unit cost from the best British construction, although improvement work in America is charged to income far more liberally than it has been in England.
For each of these classes a rate-sheet gives the actual ratecharge per unit of weight between the various stations covered by the tariff.