Improvements in apparatus for facilitating the inhalation of medicinal vapours.

  • Koch & Heller.
Date:
1899
Catalogue details

Licence: Public Domain Mark

Credit: Improvements in apparatus for facilitating the inhalation of medicinal vapours. Source: Wellcome Collection.

    9/10 (page 9)
    A.D. 1898. June 21. N.*. 13,790. , « LAKEYS COMPIiKTE SPECIFICATION, * Mai hy& So’is. Photo- l.itho.