Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
On the colouring matter of the pink and red vulcanite used in dentistry : with remarks on the occasional occurrence of symptoms of poisoning, probably dependent upon the vermilion used as a pigment / by W. Bathurst Woodman. 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.