Show TELLS PRESENCE OF POISON of southern sity ity reports report invention of valuable appliance by means of 0 an appliance devised by prof W W abel head of 0 the department part ment ot of pharmacology of 0 the johns hopkins university it has been made possible it Is declared to determine whether persons persona thought to be twi suffering fering from the effects of poisons are really under the influence of drugs an and d to be able to discover almost immediately the poison they have taken the contrivance consists of a series of coils and tubes which are submerged in saline solution and its action Is said to be the came as that of tho the kidney in making the test for poison it Is necessary to have the blood stream flow through the tubes this Is done by connecting the tubes with the jugular vein and the carotid artery the blood passes through the tubes which are then immersed in a pan containing a warm solution by means of a porous substance connecting the glass tubes the foreign and poisonous substances in the blood filter through into the saline solution tho the solution being of the same temperature pera ture and consistency as the lymph in the blood the natural ingredients which make up the blood are not taken up by the solution of salt after allowing the blood to flow through the tubes for a given time a specimen of the saline solution Is taken and then it Is but a simple matter of chemical analysis to find what poison or foreign substance Is present in the system of the patient |