Married Employees in the Mines (In %)
Sources: Column d (1929), RCM/CSD/W(2)HA 64, Sir W. Simpson, Report on Conditions at Roan Antelope, 1930; Columns a–d (1931–36), The Pim Report, p. 44; Columns a–d (1937–41), RCM/CSD/KHB 41, NRCM, Memorandum (on the Saffery Report), 26 April 1944; Columns a–d (1942), The Saffery Report, p. 51; Columns a–d (1945–62), Department of Labor, Annual Reports, 1953–62.
Labor Turnover at Roan Antelope, 1938–60
Source: “Africans at Roan Antelope,” mimeograph, Luanshya, May 1961, p. 11. Note: Voluntary absenteeism figures are low, 1.3% underground and 0.1% on the surface. This compares with rates of 2.0% and 0.4% in 1957, and more than 10% in 1941.
Average Length of Service at Roan Antelope, 1930–60
Source: “Africans at Roan Antelope,” mimeograph, Luanshya, May 1961, p. 9.
Note: The average age of employees is 35-1/2 years.
Copper Production and Value, 1932–1964
Sources: Column 1—L. H. Gann, A History of Northern Rhodesia, p. 329 (1932–40); The Economist (1941–45); Northern Rhodesia Chamber of Mines Year Book 1956, p. 60, and Copperbelt of Zambia Mining Industry Year Book 1964, p. 44 (1945–64).
Column 2—W.J. Barber, The Economy of British Central Africa, p. 127 (1932–58); Mines Department Reports, 1959–64.
Column 3—Northern Rhodesian Economic and Statistical Bulletins, 1938–54; Northern Rhodesia Chamber of Mines Year Books, 1956–63; Copperbelt of Zambia Mining Industry Year Book, 1964. Figures for the value of copper exports in S. H. Frankel, Capital Investment in Africa (p. 254) give an indication of the rate of expansion in the 1930s. The value of exports in 1932, a year after production began, was over £2 million, and had risen to almost £4 million in 1936.
Columns 4 and 5—Paper prepared by the Chamber of Mines for submission to the Forster Board of Enquiry, 6 September 1954 (1932–40); Branigan Commission Report, 1956, p. 5 (1941–55); Brown Commission Report, 1966, p. 160 (1956–64). Figures for European employees in 1937 and 1938 are estimates. Note: Columns are Average yearly electrolytic copper price (London Metal Exchange) in £ per long ton; Northern Rhodesian electrolytic and blister copper production in long tons (2,240 lb. per ton); Gross value of copper sales; and Average numbers of Africans and Europeans employed in the industry.
NRCM African wage structure, 1941 (In shillings per ticket)
Source: RCM/CSD/Box 11A:NRCM, Minutes of the first meeting of the African Wages Sub-Committee, 28 January 1941.