Clear glass specimen jar containing guaiacum resin, in English jar, 1880-1920 Clear glass specimen jar containing guaiacum resin 1880-1920
Photograph of the original photograph of J.T. Clover filling the reservoir of his chloroform apparatus, 1862 Photograph of the original photograph of J.T. Clover filling the reservoir of his chloroform apparatus 1862
Specimen jar containing strophanthus follicles dated 1887 Specimen jar containing strophanthus follicles 1891-1930