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Jane Hammond Langley
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Individual
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Individual
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Publication of GB189704915ApublicationCriticalpatent/GB189704915A/en
4915. Langley, J. H. Feb. 23. Tooth brushes.-The head a is of L-section, the bristles B being set therein at an angle to one another so that both sides of the teeth may be cleaned simultaneously.
GB189704915D1897-02-231897-02-23Improvements in Tooth Brushes.
ExpiredGB189704915A
(en)