242 ANIMAL RESOURCES AND FISHERIES OF UNITED STATES. 



Fi«li-wajs. 



Step I i si 1- ways. 



IjOx or pool fisli-ways. 



2.ilU8. Model (»f fish-way. Jas. D. Brewer, Muucy, Pa. Patented hy Daniel 

 Steok. 



Step.s conti i\((l l)y iiiiauftement of rocks aud bowlders. 



•JOTOl. Mc.d.l ol' Itiiiii .iiiMHi li>li w.iy. J. 'J". Kotlie. 



IiicliiM'd ]»I;mc witlioiit st('])s. 



2928:5. Model of old Pennsylvania fish-way. Built at Colunihia, on the Siis- 

 (luehanna Kiver, in 18(5(). I)esi>rned 1>y James Worral. Scale, 

 ^ ineh 1o the foot. C. G. Atkins, Biudvsport, Me. 



2i>284. Model of old Pennsylvania fish-way. Built at Colunihia, on the Sus- 

 quehanna River, in 1873. Designed hy James Worral. Scale, 

 i ineh to the foot. C. G. Atkins, Buck.sport, Me. 



With paititions at lij^iit angles. 



i?92iU. Model of rectauffular return lish-way. .Scale, J inch to ihe foot. C. 

 <;. Atkins. lincksport. Me. 



Brackett's ]):itciit lisli-way. 



29265. Bracketts jiatent fish-way. Scale, i inch to <hr foot. C. G. At- 

 kins, Bucksixut, Me. 

 2iD37. Model of the tish-way at Holyoke, Mass., on the Connectiout Kivtr. 

 Scah', ^ of an inch to tht^ foot (./g). C. G. Atkins. 



This fish-way is on the Brackett plan. Asuljinerjfcd iiicceof coli- 

 work surmounted hy a grating serves to turn the fish into the 

 fish-way. It carries a column of water 2 feet wide and 2 feet 

 (h-ep which reaches the hottom with no perceptible increase in 

 velocity, the current being less than 2 miles an hour. Height 

 of the dam, 30 feet; h-ngth of th<- fish-way, 440 feet; the in- 

 cline, 1 in 1."). 



With oldiijiic partn ioiis. 



29287. An adajitation r)f Poster's fish-way. Designed by C. G. Atkins, and 

 built at Pend)roke, Me. Scale, j- inch to the f(»ot. ('. G. Atkin.s, 

 Bucksport, Me. 



'.:928(). Mode] of poster's fish-way. Invent, d by IF. H. Foster, K. .Machias, 

 Mr. Scale. \ inch to the foot. C. (1. Atkins, Bucksport, >b-. 



2928*^. Mod(d (d'oblicpie fish-way. Invented l»y Alfre<l Swazey, Bucksjiort, 

 Me., in 187(i. Scale, i inch to the foot. C. G. Atkins, Bucks- 

 port, Mc. 



29289. Swa/ey's obliipif fish-way. Iiiv.iiI.m1 by A11V.i1 S\va/.> . I'.ii.ksiM.rt, 

 M.-..iii 1~TI. S.'alc. i iii.h t.) lli.' I'....|. C. (;. Alkiii>. Ibi. ksp.irt, 

 >b-. 



2929U. .M.idcl of Swazey & Atkins's fi.sh-way. Invented by Alfred Swa/ey 

 and ('. (i. Atkins, Bncksporl. M<-.. in l.'^4. Si ale. J inch to the 

 foot. C. G. Atkins, Bucksp..rl. >b-. 

 . .M.)ilil of the McDonald lish-way. .M. Mt Donald, Pi xington, Va. 



*Jo'939. No. l.'>. Model of Ihe lisli-way at Lawrence, Ma.ss., on the Memmack 

 , l.'iv.r S.ale, ^ inch to tlu> foot (/y). C. G. Atkins. 



