60 TREATISE ON 



as well as the next-to-the top lattice squares of the trellis, will go. The rest of the line 

 down to the foot of the wall is divided into equal lengths of nine inches each; the other 

 rows of hooks will go on these division points where appropriate. Similar vertical lines 

 are drawn on the wall at intervals and divided the same way. 



If the lattice spaces are of the size suggested above, the first row of hooks on the 

 wall, regardless of their height above the ground, will be eleven inches below the coping. 



As to the rest of the rows, on a six-foot wall the second row will be three feet two 

 inches below the coping, & the third row five feet five inches. 



On a wall seven to eight feet high, the second row will be at three feet eleven 

 inches, & the third at six feet, eleven inches. 



On a nine-foot wall, the second row will be at four feet eight inches, & the third at 

 eight feet five inches. 



On a ten-to-eleven-foot wall, the second row will be at three feet eleven inches, 

 the third at six feet eleven inches, and the fourth at nine feet eleven inches. 



On a twelve-foot wall, the second row will be at four feet eight inches, the third at 

 eight feet five inches, & the fourth at eleven feet five inches. 



Different means can be used to position all the hooks in the same row exactly 

 evenly. Some people dip a cord into a black dye made of burnt straw & water and stretch 

 it from one point to the next, marking lines on the wall as pit-sawyers do on their pieces 

 of timber. Others drive nails or pegs in at the specified points and lay on top of them a 

 cord or mason's line fully stretched by weights at both ends. Yet others cut laths to a 

 length equal to the distance from the coping to the row of hooks; 



