intervalso At first glass floats were used on all the 

 shackleso Hcweverj upon discovering that these floats too 

 easily became entangled in the larger meshesy they were 

 replaced by 8 x 10=inch metal floats on liie nets of 10 and 

 ll»inch mesh^ and the use of the 12 -inch mesh was discontinuedo 



(h) Lead lineo The lead line consisted of 50 fathoms of l8=thread 

 soft=-laid Manila^ 15/32 inch in diameter^ with a 20-inch exten- 

 sion at both endso Ihis was weighted with U-ounce seine leads 

 spaced 1 fathom apart » 



^^^ Breast linsn A breast line of 6=thread soft-laid Manila, J 

 inch in diameter and equal in length to the depth of the 

 net ting J was used at each end of the shackle = The ends of 

 this line were spliced on to the float and lead lineso Straps 

 of 26l-thread hard=°laid cotton line 10 inches in length were 

 used to tie the shackles together and these were placed 1 

 fathom apart on the breast line^ 



All the linen nets were treated with net preservatives s the 

 Uo 6, 9.» and ll^inch mesh sizes with Dura Nett 200^ an acid=free 

 plastic preservative^ and the ^p 7s 10, and 12=inch mesh sizes 

 with the New Lodge ProcesSj a combination of a plastic and copper 

 napthenateo The nylon nets were first used without any preserva= 

 tivBo After these nets failed to catch a single fish,, they were 

 treated with preservatives, more for their staining than for their 

 preserving effect, as the latter was unnecessary with the nylono 

 The ij.^ 7s and 11 -inch mesh sizes were treated with the New Lodge 

 Process J the 5s 6, and 10-inch mesh sizes with Net Life (green) (, 

 a preservative with a soluble copper bases and the 9 and 12 -inch mesh 

 sizes irvith Dura Nett 200, The preservatives increased the weight 

 of the neos by 28 to 50 percent o The detailed account of the 

 cost and the time consumed in completing the nets is shown in the 

 following table £;o 



