CHAPTER IX. 



HOW TO DEESS A WET PLY (continued). 



IT may here be well to consider the proper 

 method of winding a spiral, since there seems to 

 be a prevalent idea, even among authors on fly 

 dressing, that it is impossible to wind the hackle 



Spiral incorrectly wound. 



Spiral correctly wound . 



Method of winding observe the angles. 

 FIG. 50. 



of a palmer in such a manner that it is not after- 

 wards liable to slip, when fastened only at either 

 end. 



To wind a non-slipping spiral (of thread, say) 

 round a cylindrical surface (say that of a pencil), 



