ton-mileagen. amount of or reckoning in ton-miles, or charge per ton-mile.
ΘΠ
society > travel > transport > transport or conveyance in a vehicle > transport of goods in a vehicle > [noun] > equivalent to work done carrying a ton for a mile
ton-mileage1894
ton-mile1900
1894 Outing 393/1 Were the ton mileage of each contrasted, the waterways would make much the greater showing.