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Electro-magnetic apparatus : (this invention received provisional protection only) : provisional specification left by Edward Griffith Brewer at the Office of the Commissioners of Patents on the 28th July 1877 ... of Chancery Lane, in the County of Middlesex : "Improvements in Electro-magnetic apparatus"
Content Provider | Internet Archive |
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Author | Brewer, Edward Griffith, patentee |
Organization | Wellcome Library |
Language | English |
Publisher | [London?] : [Great Seal Patent Office?] London : George Edward Eyre and William Spottiswoode, printers to the Queen's most excellent Majesty. For Her Majesty's Stationery Office |
Publisher Date | 1877-01-01 |
Access Restriction | Open |
Subject Keyword | Electromagnets Eyeglasses Magnetic Field Therapy Electric Stimulation Therapy Great Britain |
Content Type | Text |
Resource Type | Book |