.... 



HORIZONTAL ATTRACTION METER 



a. Jfefrv<*>.f fitlfii wuli niirauy to n c Iflata tut 



Level a, and ,Ut>'li,'/ ,</<!. iJi.il /ci./ aJ><-e. 



J) . (TOM nj?>r.T tvniieftitifl mservorrs { </ fnilr.r Air 



leU>w. II C-. ,?r/i/.- 



**rpt Phil, 7>ans. 181 fi 



