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Keywords: Figure-7-1-LT-Sheffield-Notebook.png en L T Sheffield ™s 1878 notebook with toothpaste formula page 1 2014-01-10 11 01 15 Sheffield Pharmaceuticals' Private Archives Sheffield Pharmaceuticals Custom license marker 2014 01 10 Sheffield Pharmaceuticals Owns the Items in their Private Archives Uploaded with UploadWizard History of dentistry Toothpaste New London Connecticut Notebooks |