Known as a Sonotone device and based on the principles of radio as applied to bone conductivity, a set is being tried out at the Sumner School for the Deaf, to assist deaf children to hear. This photograph shows some of the pupils “listening-in ”at the school. Exhaustive experiments are being made with a view to giving the pupils the best chance that scientific invention can offer.
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Bibliographic details
Star (Christchurch), Volume LXVI, Issue 20425, 2 October 1934, Page 11
Word Count
67Known as a Sonotone device and based on the principles of radio as applied to bone conductivity, a set is being tried out at the Sumner School for the Deaf, to assist deaf children to hear. This photograph shows some of the pupils “listening-in ”at the school. Exhaustive experiments are being made with a view to giving the pupils the best chance that scientific invention can offer. Star (Christchurch), Volume LXVI, Issue 20425, 2 October 1934, Page 11
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