PLATE 24 



Fig. 5. Metal rim of net with jaws open, showing the hubs, at the 

 side and the axle upon which they turn, in section. X Vi. 



Fig. 6. Section through lateral box at end of the hub showing rela- 

 tions of axle {ax.), hub, door (d.), and set screw (s. sc). X y-2. 



Fig. 7. Face view of inner end of left hub showing relations of jaws 

 and cylinders after removal of the pulley. X %. 



Fig. 8. The same of right hub. X V^. 



Fig. 9. Section through head of the frame showing trips in place and 

 both jaws locked as in the net when closed ready for descent. The 

 position of the first (inner) trip is indicated by dotted lines. Eear lug 

 for net carrier not shown. X ^. 



Fig. 10. Surface view of right hub. X Vi. 



Fig. 11. View of outer end of hub. X V-2- 



Fig. 12. Radial section of upper jaw, showing method of attaching 

 net. X %. 



Fig. 13. Same of lower jaw. X V-i- 



ABBREVIATIONS 



ax. — axle. 



b. — base of jaw. 



hear. — bearing of hub. 



hev. — bevel on face of jaw. 



&«/■. — buffer. 



c. sp. — coiled spring of trips. 



cl.i ci.2 — clutches of first and sec 



ond trips. 

 cl. hd. — clamping band for net. 

 d. — door to hub chamber. 

 el. — elastic band for net at hinge, 

 /i.— hinge of door. 

 hd. — head of axle, 

 /ifc.i, hk.- — hooks of lower and 



upper jaws. 

 huh — hub of net. 

 in. cyl. — inner cylinder of net. 

 I. — lip of jaw. 

 I. coil. sp. — left coiled spring. 



I. j. — lower jaw. 



marg. cd. — marginal cord of net. 



71. — net. 



otit. cyl. — outer cylinder of hub. 



p. — pit for set screw. 



pul. — pulley for elastic at hinge. 



r. coil. sp. — right coiled spring. 



s. — screw into axle. 



s.' — screws for pulley. 



s. scr. — set screw. 



sh. — shoulder of jaw. 



shaft — shaft of trip. 



sock. — socket for wrench. 



th. b. — thumb-bolt. 



fr.i, <r.2 — first and second trips. 



tr. ch. — trip chamber in head of 



frame. 

 tr. sp. — trip spring. 

 up. j. — upper jaw. 



346] 



