Mr. Robert Ellis' compound inhalers for anaesthesia by mixed vapours, manufactured only by Messrs. Savigny & Co., 67, St. James's Street.

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Mr. Robert Ellis' compound inhalers for anaesthesia by mixed vapours, manufactured only by Messrs. Savigny & Co., 67, St. James's Street. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.