Specification of James Childs : manufacture of artificial gums, teeth, &c.
- Childs, James.
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About this work
Patent for "an improvement in applying heat in the manufacture of artificial gums and teeth, and other articles composed of india-rubber or gutta percha combined with sulphur."
London : Great Seal Patent Office, 1859 (London : George E. Eyre and William Spottiswoode)
6 pages, 1 folded leaf of plates : Cover title. illustrations ; 28 cm
At head of title: A.D. 1859, 21st January. No. 193.
"James Childs, of Windsor House, Windsor Road, Putney, in the county of Surrey".