GEAR 



GEAR 



In the list of stations the following symbols represent the various kinds of gear used : 



B Oblique. 



H Horizontal. 



V Vertical. 



BTS Small beam trawl. Beam 8 ft. in length (2-45 m.): mesh at cod-end J in. (12-5 mm.). 



DC Conical dredge. Mouth 16 in. in diameter (40-5 cm.), with canvas bag. 



DL Large dredge. Light pattern, 4 ft. in length (1-2 m.). 



DLH Large dredge. Heavy pattern, 4 ft. in length (1-2 m.). 



DS Small dredge. 2 ft. in length (06 m.). 



LH Hand lines. 



N4-TI 



N7-TJ 



Nets with mesh of 4 mm. or 7 mm. (0-16 in. or 0-28 in.) attached to back of trawl. 



N 70 70 cm. tow-net. Mouth circular, 70 cm. in diameter (27-5 in.): mesh graded, at cod-end 

 74 to the linear inch. 



N 100 1 m. tow-net. Mouth circular, 1 m. in diameter (3-3 ft.): mesh graded, at cod-end 16 to 

 the linear inch. From July 1, 1927, this net was replaced by another, of similar pattern, 

 but with the cod-end made of stramin with 11-12 meshes to the linear inch. 



N 200 2 m. tow-net. Mouth circular, 2 m. in diameter (6-6 ft.): mesh graded, at cod-end 4 mm. 

 (o-i6in.). 



N 45° 4-J- m. tow-net. Mouth circular, \\ m. in diameter (14-8 ft.): mesh graded, at cod-end 

 7 mm. (o-2S in.). 



NC 50 Coarse 50 cm tow-net. Mouth circular, 50 cm in diameter (19-5 in.): 25 meshes to the 



linear inch. 

 NCS-D) 

 NCS-T f Tow-net °f coarse silk, with 16 meshes to the linear inch, attached to trawl or other net. 



NH . Hand net. 



NHS High speed tow-net. Mouth 3 in. in diameter (7-5 cm.): mesh 74 to the linear inch. 



NRL Large rectangular net. Frame 8 ft. long and z\ ft. wide (2-45 m. ;< 07 m.) with bag of 

 \ in. mesh (12-5 mm.). 



NRM Medium rectangular net. Frame 4 ft. long and i\ ft. wide (1-2 m. x 0-38 m.) with bag 

 of 7 mm. mesh (o-2S in.). 



OTC Commercial otter trawl. Head rope 80 ft. long (24-5 m.) : mesh at cod-end r \ in. (3-8 cm.). 



OTL Large otter trawl. Head rope 40 ft. long (12-2 m.): mesh at cod-end \\ in. (3-2 cm.). 



KM Mussel rake. 



TNL Large fish-trap. Rectangular, 4 ft. by 4 ft. by z\ ft. (1-2 m. x 1-2 m. x 075 m.), with 

 netting or wire of \ in. mesh (12-5 mm.). 



TYF Young fish trawl. Mouth about 20 ft. in circumference (6 m.) : bag of stramin with 1 1-12 

 meshes to linear inch. Fished until July 1926 with poles and otter-boards, thereafter 

 attached to a circular tow-net frame 2 m. in diameter (6-6 ft.). 



