by Margaret Cobb
From St. Lawrence Jewry next Guildhall. London
A series of twenty programmes intended for listeners with a good grounding in French who want to revive and apply their knowledge.
1: Projets de Vacances
The programmes are presented in French and English by Paul Couster who comments on difficulties of idiom and vocabulary and introduces the texts and conversations
French text by Charlotte Crozet Planned and produced by Elsie Ferguson
Work in the world of science
TWO THOUSAND DEGREES
UNDER THE MICROSCOPE by J. H. Welch of the Building Research Station
Cement, glass, bricks, steel. They are all made at high temperatures. But how can we find out exactly what is happening at 2000° Centigrade? Whip
- ping out samples and cooling them rapidly is one way, but it is now possible to observe high-temperature changes directly in the high-temperature microscope. The speaker describes the instrument and some of the things that can be done with it.
See facing page
