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Credit
Abstracts of English and colonial patent specifications relating to the preservation of food, etc. : compiled from original documents, or their printed copies, lodged in the Patent Office attached to the Registrar-General's Department, Melbourne / by William Henry Archer. 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.