African Affairs 42:129-134 (1943)
© The Royal African Society
DIAMOND INDUSTRY IN WARTIME, 1941
Reprinted from "The South African Mining and Engineering Journal."Each year "The Jeweller's Circular-Keystone" publishes a review of the diamond industry. For as long as can be recalled this review has been prepared by Sidney H. Ball, of the engineering firm of Rogers, Mayer & Ball, of New York. The latest review, covering 1941, has now been published, and this article is abstracted from it by courtesy of the publishers.