DIim\U. :\[0T10XS OF THE NORTH EXD OF A FREELY SUSPENDED DIPPING NEEDLE 
^L\KE RS T OlTsj 18 47, - 6 . 
■ Irans..]im/. Soaiajn.rol.JJX Fra-oir. Tlate W. 
Mfitioii.s- iiiih TTtercmv to tli& Moon's Jww angles 
