Sociciv A'flfo/ Architects and Mortne Etitpncers. 



illustrate the Appendix, "International Conventinn Relating to Safety of Life at Sea." 

 510° 4to° 3tf 20' 



40° 30 



METEOKOLOGICAi^ INFORMATION BY RADIOHEIJOGBAPH. 



Glasslflcatloil of sqaues correspondins to one degree to Indicate the position ol the vesiol at the moment of the obsenatloD. 



