The use of radio waves'' lecture at Royal Institution. Children listen to Mr. Ratcliffe.: Mr. J.A. Ratcliffe, reader in Physics Cambridge University spoke on ''The Use of Radio Waves'' this afternoon at the Royal Institution at the opening of the 124th Course of six lecturers adapted to a Juvenile auditory. Photo shows general view showing some of the children listening to Mr. J.A. Ratcliffe during his lecture this afternoon.
Photo measures 8 x 10.25 inches.
Photo is dated 12-29-1953.
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