Author:CSIRDate:1952This report presents the seventh annual report of the Council for Scientific and Industrial Research. For the year ended October 4th, 1952. Balance sheets and statements of income and expenditure for the financial year ended 31st March, 1952, ...Read more
Author:Van der Walt, PJDate:1952A detailed study was made of the various tine coal cleaning processes and it was finally concluded that the cyclone washer was the only known process which showed promise of solving the formidable washing problem.Read more
Author:Van der Walt, PJDate:1952A Jeffery single roll crusher was installed at Van Dyksdrift colliery with the object of producing coal suitable for firing in South African Railways locomotives.Read more
Author:Van der Walt, PJDate:1952The run-of-mine coal is to be broken in such a manner that 55% of it has a top size 1 half inches and that the ratio between top and bottom size does not exceed 5 to 1.Read more
Author:CSIRDate:1953This report presents the eighth annual report of the Council for Scientific and Industrial Research. For the year ended October 4th, 1953. Balance sheets and statements of income and expenditure for the financial year ended 31st March, 1953, ...Read more
Author:Whillier, ADate:Apr 1953Design curves based on measurements of solar irradiation in South Africa are presented for two geographic areas, the highveld and the Cape Peninsula, giving data on the amount of thermal energy that can be collected from the sun by use of ...Read more
Author:CSIRDate:1954This report presents the ninth annual report of the CSIR, for the year ended October 4th 1954. A balance sheet and statements of income and expenditure for the financial year ended 31st March 1954, certified by the Controller and Auditor ...Read more
Author:Fuel Research InstituteDate:1954As explained in previous communications, the Institute has been of the option that the difficulties experienced with the Dense Medium Washery at South African Coal Estate could be largely attributed to changes in the properties of the heavy ...Read more
Author:Van der Merwe, JMDate:1954A segregation and breakage test was carried out on pea-duff coal and the results are summarized in the present report.Read more
Author:Petrick, AJDate:1954The fuel and power supplies developed reasonably uniformly with the demand in the Union of South Africa up to about 1945. Although the coal industry made adequate provision for future requirements and has even now adequate potential production ...Read more
Author:Moodie, BDate:1954Records show that the first microscopic observations were carried out on coal in the year 1830 by Lindley. The apparatus he used was crude and his work was mostly confined to the examination of fossilized leaves found in certain coals.Read more
Author:CSIRDate:1955This report presents the tenth annual report of the Council for Scientific and Industrial Research. For the year ended October 4th, 1955. Balance sheets and statements of income and expenditure for the financial year ended 31st March, 1955, ...Read more
Author:Kunstman, FH; Hamersma, JCDate:1955The chemical behavior of germanium has been studied extensively but its present economic value results from its physical properties.Read more
Author:Van Doornum, GAWDate:1955Testing of the following motor spirits: Synthetic petrol no 22, 24 ,82, 93 and Normal commercial motor spirit to establish any significant difference in operation in a normal motor - car engine that might be expected.Read more