66 Inflnmental InflruB^ions. 



of equal Parts, fucK as we have deftribM ^ 

 and next them a Surveying Scale, fuch an one 



I 



1 



I -,-.- 



bticks or Irons of a toot long each, and let 

 them meafure E A thus. Caufe the foremoft 

 Perfon to go one Extent of the Chain 3 fuppofe 



to 



