Subject: Research Establishments in Europe: 48 - reprinted from Chemistry and Industry, 1965 pp 320-327 - The Explosives Research and Development Establishment, Waltham Abbey
Description: A block of R.D.X./T.N.T. is subjected to a moderate shock. In the first four photographs, an ordinary shock wave travels along the charge. Detonation occurs abruptly in the fifth frame.
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