This simple inhaler comprised a perforated metal face mask with a small absorbant pad onto which was dripped antiseptic inhalants. It was made in London and developed by Isaac Burney Yeo, an English physician (1835-1914). Isaac Burney Yeo was professor of medicine at King's College Hospital in London. Dr Burney Yeo introduced the wire mesh oro-nasal inhaler in the 1890s. It was available on a National Health prescription until 1965.
