M0018180: Illustration of various forms of Bunsen burners produced by Negretti & Zambra, c.1880

Date:
August 1960
Reference:
WT/D/1/20/1/161/94

Licence: Public Domain Mark

Credit: M0018180: Illustration of various forms of Bunsen burners produced by Negretti & Zambra, c.1880. Source: Wellcome Collection.