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Credit
Report of the Sanitary Committee to the Commissioners of Sewers of the City of London, on spurious and unsound tea, and their proceedings thereon : approved, and ordered to be printed, at the Court, Tuesday, 28th November, 1871. Public Domain Mark. Source: Wellcome Collection.
Provider
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.