The "Burroughs" ammonia inhaler from Medical Formulae, 1881
Licence: Public Domain Mark
Credit: The "Burroughs" ammonia inhaler from Medical Formulae, 1881. Wellcome Collection. Source: Wellcome Collection.
Licence: Public Domain Mark
Credit: The "Burroughs" ammonia inhaler from Medical Formulae, 1881. Wellcome Collection. Source: Wellcome Collection.