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Show Sign Poata for Aviator. A flarman aeronaut tiaa devlaed a ayalem of orientation which will help tha (lftrman avlatur, at leaat, hi find Ini lila r tlirotiih tha air. Kai h Uninian r'O'hica la provided with a number, and every community I provided pro-vided with a letter. A guide book to be carried by tha aviator cnntalna a Hat a' province and tnwna almllarly dcalKuatad. Thua, If an aviator aeea Ih character "40 A 1" painted upon the roof of a home In Ithlneau ha know Immediately where ha la by rnferrlnn to hla book. At nlfht theaa lam ara to be Illuminated. Tha eva-teni eva-teni la now actunlly bln Inatalled Id Uermany |