M0009973: Ormsby' s inhaler (Woodhouse Branne's pattern) with Hewitt's modification

Date:
23 April 1947
Reference:
WT/D/1/20/1/87/92

Licence: Public Domain Mark

Credit: M0009973: Ormsby' s inhaler (Woodhouse Branne's pattern) with Hewitt's modification. Source: Wellcome Collection.