"I am interested in the supply of water to the cottage and you are interested in the supply of water to Telegraph House which I understand has failed. ... I shall be on the premises on Friday next the 5th of April and perhaps you could make it convenient to see me there at about 10 a.m. if you care to discuss the project as my builder will be coming up at 11 o'clock and I propose to give him definite instructions before I leave."