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Credit
Dioxogen : a Redeal-Walker coefficient. Public Domain Mark. Source: Wellcome Collection.
Contains: 1 image
Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Dioxogen : a Redeal-Walker coefficient. Public Domain Mark. Source: Wellcome Collection.
Blotter issued by Allen & Hanburys advertising Dioxogen, an antiseptic, disinfectant, deodorant, detergent and styptic.