Articles MEDICAL AND SURGICAL APPLIANCES Br Med J 1905; 2 doi: https://doi.org/10.1136/bmj.2.2324.134 (Published 15 July 1905) Cite this as: Br Med J 1905;2:134 Article Related content Metrics Responses Peer review Related articles Correction Correction to Announcement Published: 18 July 1964; Br Med J 2 doi:10.1136/bmj.2.5402.200