On the 16th of November 1903, Lord Curzon, the viceroy of India, sailed from Karachi for the Persian Gulf.
There are also Port Trusts in the great maritime cities of Calcutta, Bombay, Madras, Karachi and Rangoon.
Three years later a more formal convention, including a second wire, was signed by the British envoy Charles Alison and the Persian foreign minister; meantime the work had been actively carried on, and communication opened on the one side between Bushire and Karachi and the Makran coast by cable, and on the other between Bushire and Bagdad via Teheran.
The greater part of the English goods sold at Herat are imported by Karachi and Kandahar - a fact which testifies to the great insecurity of trade between Meshed and Herat.
From the Caspian to Karachi it is possible to pass without encountering any orographic obstacle greater than the divide which separates the valley of the Hari Rud from the Helmund hamun basin, which may be represented by an altitude of about 4000 ft.
Early in the 19th century a large transit trade in opium between Karachi and China was carried on at Damaun, but it ceased in 1837, when the British prohibited it after their conquest of Sind.
They all are (or were) stations of the Indo-Persian telegraph system which unites Karachi with Bushire.
The principal Indian markets are Calcutta, Bombay, Karachi and Madras.
The great cities of Bombay, Karachi and Poona suffered most severely.
They now run from Karachi to Jask, whence a cable runs to Muscat; from Jask one cable runs to Hanjam, and thence to Bushire; another cable runs direct to Bushire.