Persian Gulf as "The Northwestern limit of Gulf of Oman". This limit is defined as "A line joining Ràs Limah (25°57'N) on the coast of Arabia and Ràs al Kuh (25°48'N) on the coast of Iran (Persia)". The gulf is connected to Indian Ocean through Strait of Hormuz. Writing the water balance budget for the Persian Gulf, the inputs are river discharges from Iran and Iraq (estimated to be 2000 cubic meters per second), as well as precipitation over the sea which is around 180mm/year in Qeshm Island. The evaporation of the sea is high, so that after considering river discharge and
Persian Gulf Residency will seriously affect the position or the rulers of the British government…' The same author also refers to what he terms "political agreements", to which, he says, oil companies’ are all bound… with the British government… in addition to their concession agreements with the rulers…' 'One of the main objects of these', he continues, 'is to ensure that their relations with the rulers in all matters of importance are conducted through, or with, the knowledge of British political officers'. Agents: Chief political residents of the Persian Gulf : Persian Gulf Residency The Persian Gulf Residency was an official colonial subdivision