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Show Night Air Mail Between New York and Chicago c x ' ' , " ' i N y N " ;V l , a N k a 1 1 u ' 1 & i3? rrl l J )- HL H u UM "4 : rM 1ft M - p ' Pi&Si2sau! " -r .J Epl i .KnMfT l'- The illustration shows the transfer of mail from a truck to a plane for 1 :. i the New York-Chicago overnight service that has Just been Instituted. At tha . j f h I f- right is one of the 75 revolving lights that are mounted on towers along the ji f h I i route. There are also 75 powerful beacons to guide the pilots. ; S I &WMlfJMhrf3rft.WftwmMfcriii urn ifo . j ' The illustration shows the transfer of mail from a truck to a plane for the New York-Chicago overnight service that has Just been Instituted. At tha right is one of the 75 revolving lights that are mounted on towers along the route. There are also 75 powerful beacons to guide the pilots. |