It could be but another effort to explain the inexplicable.
All passengers fret at the double-gauge; all shippers of freight must of course fret at it; unnecessary expense, delay, and annoyance are imposed upon everybody concerned, and no one is benefitted.
Each Australian colony fences itself off from its neighbor with a custom-house.

Personally, I have no objection, but it must be a good deal of inconvenience to the people.

We have something resembling it here and there in America, but it goes by another name.

The large empire of the Pacific coast requires a world of iron machinery, and could manufacture it economically on the spot if the imposts on foreign iron were removed.

But they are not.