TREATING OF CONTRIVANCE 



that is, on their pike-staves, and direct them to hold 

 level by his back and foresight, desiring them to 

 keep accompt what feet and parts ; and so come 

 f oreward till the assistant at the well plant where 

 the foremost stood ; and thus proceed quite in a 

 straight line, from station to station so long as 

 needful. At length, add all the measures of back- 

 stations together, and also those of the fore-sta- 

 tions ; subtract the one from the other, and the 

 remainder of levels betwixt the fountain and the 

 appointed place. 



Allow for the fall of the water, for every thousand 

 foot in length, twelve inches of slop at least. 



I confess, I need to apologize for these and the 

 like digressions, but the earnest desire of severals 

 forced me. 



