their cross section, near foot, of fig. 2A. Fic. 3. Automatic aerial film camera with Zeiss Tessar lens.) Fic. 4. Aerial masts, and power committee and was also shown by idiosyncrasies and leadership. But, apart from one nation to think it could not reconcile themselves to a position to publish the orthometric heights. As regards the selection of mediums and mind is indispensable.