The Mpongwe People of Gabon Colony
1952; Nature Portfolio; Volume: 169; Issue: 4294 Linguagem: Inglês
10.1038/169267c0
ISSN1476-4687
Autores Tópico(s)African Studies and Ethnography
Resumophysical laboratory was established and a period of rapid development and expansion followed, in which many new and important products appeared.This development is described by Dr. Groot by considering three separate periods: 1914-23, the period of the First World War and during which the laboratory was located in the lamp factory; 1923-40, beginning with the opening of a specially equipped new physical laboratory and ending with the enemy occupation; and 1940 to the present day.In 1946 Prof. Holst retired from active management, and since then, although he has remained a continuous adviser, the work of the physical laboratory has been directed jointly by Prof. H. B. G. Casimir (physics),
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