Chemical formula cards E 1-64

Missing 34, 25, 37, 43, 44, 50, 53,

76 cards (in 2 files)

Copyright was assigned to the Wellcome Trust for all material created or commissioned by the Wellcome Foundation, its successors and associated companies. The copyright in third party material (ie material not created by WF such as letters and publications from external sources, magazine articles, newspaper cuttings etc) is assumed to remain with the creator or his/her heirs. Where third party material exists, this has been noted at item level.