Diamond Rock Boring Co
1872 Public company formed to acquire the business of the Machine Tunnelling Co, formed for trial purposes in 1870[1]
1873 Working the patents of Major Beaumont for diamond drillng machine[2]
1873 the company was engaged in boring for coal in the north of England. Mr. Gulland became Secretary to the Company, and Mr. Belsham was appointed Manager of the Darlington District, who developed a method of taking cores from coal; this was eventually taken over by the Diamond Rock Boring Co.
1874 Edwin J. Honychurch - Secretary.[3]
1875 Contracted to remove a large rock in the River Tees below Middlesbrough; made use of a "jack-up" barge for drilling holes to take the demolition charges; work under supervision of Major Beaumont, the chairman[4]
1876 As a result of interest at the British Association meeting at Brighton, the company undertook drilling into the Wealden near Battle to discover the type of primary rocks underlying the area; reached depth of 1900 ft by March, at which point further funds were required[5]
1879 Company wound up voluntarily; David Joseph Kennelly, of the Crown Works, Guildford-street, York-road, Lambeth, London, was appointed Liquidator, for the purpose of winding up the affairs of the Company and distributing the property; the Liquidator was at liberty to sell and transfer the property and assets to a new Company about to be formed, the Aqueous Works and Diamond Rock Boring Co Limited. Frank Bolton was Chairman of the meeting[6]
Thomas Docwra and Son took over the machinery of the company[7].