Specification of George Dewdney : protector for the chest, throat, &c.
- Dewdney, George.
About this e-book
Patent for an invention which is "applicable to the chest, throat, and other parts of the body requiring protection from the cold ... thereby preventing or removing bronchitis, soreness of the chest, lumbago".
London : Great Seal Patent Office, 1856 (London : George E. Eyre and William Spottiswoode)
4 pages, 1 folded leaf of plates : illustrations ; 28 cm