Test tubes containing chemicals isolated from the human...
Test tubes containing chemicals isolated from the human brain, London, England, 1865-1871
Test tubes with original hand-written labels containing the first chemicals isolated from the human brain, prepared by J. L. W. Thudichum, St Thomas's Hospital, London, 1865-71. Choline platinochloride; lecithin cadmium chloride; phrenosine; kerasine; in perspex display case