Show maurice H laws sends a change of address new york and expresses appreciation for the record although he says it is slow in catching up with him in his travels he sent a V mail letter among the striking features of railway express business is the moving of blood from red cross donor centers to processing laboratories from the laboratories the dry blood plasma is delivered to the army and navy by express on one oo occasion casion four express cars carried pounds of the precious plasma from a midwest medical depot to a port of embarkation |