M0010570: Hewitt's apparatus for administering nitrous oxide
- Date:
- 20 April 1948
- Reference:
- WT/D/1/20/1/93/47
Licence: In copyright
Credit: M0010570: Hewitt's apparatus for administering nitrous oxide. Source: Wellcome Collection.

Licence: In copyright
Credit: M0010570: Hewitt's apparatus for administering nitrous oxide. Source: Wellcome Collection.