972 FISHERIES OF THE UNITED STATES. [14&] 



Trawl-line roller and eye-plate — Continued. 



of roller, 2 inches ; diameter, 3§ inches. Shank, 8 inches long. 

 Length of eye-plate, 5 inches. Provincetown, Mass., 1875. 

 24,488. Gift of Amasa Taylor. This was the first style of 

 trawl-roller used at Provincetown. 



Trawl-line roller. 



Boiler of lignum-vitse wood with three grooves. Iron shank. (Mc- 

 Donald's patent, 1875.) Gloucester, Mass., 1880. 54,552. 

 Gift of A. B. Crittenden, Middletown, Conn. Much worn by 

 constant use. One of the common styles for bank cod and 

 halibut fishing. 



Trawl-line roller. 



Boiler of lignum-vitae wood with three grooves. Iron snank. 

 Width of roller, 6 inches; diameter, 4 inches. Gloucester, 

 Mass., 1880'. 54,551. Gift of A. E. Crittenden, Middletown, 

 Conn. This roller was deeply worn in the center groove, 

 which is reinforced with leather. Two side grooves were then 

 rudely cut, and thus gave the idea for the patent three- groove 

 roller. 



Improved winder or windlass. 



For use on oyster-dredging vessels. U. S. Fish Commission. 57,092. 

 The apparatus is specially arranged to prevent injuries to 

 those working it by violent movements of the handles due to 

 sudden strains on the dredge-line. 



Patent roller-bushino. 



Made of brass. Used in tackle-blocks and trawl-rollers. Middle- 

 town, Conn. 57,555. Wilcox, Crittenden & Co. 



Dory roller for cod glll-nets. 



Hard wood, round, iron bands at ends, with iron pintles to fit in 

 dory gunwales. Length of roller 6£ feet, diameter of ends 3^ 

 inches ; length of pintles 9 inches. Gloucester, Mass., 1883. 

 57,826. U. S. Fish Commission. Used in cod gill-net fishery. 



Improved trawl roller. 



The improvement consists in having the spindle securely fastened 

 to the roll, and having the outer ends revolve in a box at each 

 end of the roll v The box is made of composition, and provided 

 with a lubricant for the spindle to run in. Exhibited by Bag- 

 nail & Loud, Boston, Mass. 



