374 



PEOCEEDINGS OF THE AMERICAN ACADEMY 



COMPARISON or METERS R^ AND R.2, AND OF YARDS R^ AND i?2. 



At 0° and at 16.67°. 



Date. 



1883. 



Mar. 22 

 " 23 

 " 25 

 " 25 

 " 26 



" 28 

 " 29 

 " 30 

 " 30 

 Apr. 1 



2 

 3 



8 

 9 



10 



May 14 



— 1.93 



— 1.30 



— 0.25 

 + 2 27 

 + 0.92 



+ 6.40 



+ 1.05 



— 0.38 



+ 1.25 



+ 0.07 



— 0.14 

 + 4.51 

 +12.58 

 +10.34 

 + 6.98 



+14.68 

 +14 58 

 +15.02 

 +14.75 

 +14.46 



+14.54 

 +14.43 

 +14 66 

 +14.84 

 +14.58 



+14.49 

 +14.27 

 +14.41 

 +14.64 

 +14.76 



+14.79 

 +1480 

 +14.99 

 +19.18 

 +17.59 



+17.07 

 +17.07 

 +17.23 

 +17.86 

 +17.89 



■18.04 

 -17 87 

 -17.97 

 -18.16 

 -18.03 



Meters. 



K=l 



+293.5 

 +282.3 

 +269.1 

 +229.6 

 +249.3 



+156.4 

 +244.5 

 +267.9 

 +236.4 

 +253.0 



+258.9 

 +186.6 

 + 57.5 

 + 90.0 

 +142.7 



[+ 33.7] 

 + 21.3 

 + 19.8 

 + 17.8 

 + 12.7 



27.9 

 28.0 

 23.1 

 + 21.3 

 29.4 



+ 29.0 



+ 29.8 



+ 30.2 



+ 25.4 



+ 24,2 



+ 22.3 

 + 25.0 

 + 18.9 



— 52.5 



— 18.7 



— 14 8 



— 22.5 

 22.4 



— 2;t!2 



— 31.1 



32.6 

 312 

 86.7 

 36.7 

 32.3 





+262.5 

 261.4 

 264.9 

 266.0 



+264.1 



+2.59.4 

 +261.4 

 +261.9 

 +256.6 

 +254.1 



+256,7 

 +259.2 

 +259.9 

 +256.4 

 +255.1 



[+ 1.7] 



— 12.3 



— 6.8 



— 13.1 



— 22.9 



64 

 8.1 

 9.3 

 8,1 

 4.2 



— 6.1 



— 8.8 



— 62 



— 7.3 



— 6.6 



7.9 

 5.1 

 8.2 

 12.1 

 3.9 



8.4 

 16.1 

 13.4 

 10 

 13.7 



16.7 

 17.3 

 21.7 

 20.0 

 16.6 



Art 



div. 



+ 2.5 



+ 1-4 

 4.9 

 6.0 

 4.1 



— 0.4 



+ 1.4 

 + 1.9 



— 3.4 



— 5.9 



3.3 



0.8 

 0.1 

 3.6 

 4.9 



±1.3 



+ 4.2 



— 21 



[-11.9] 



+ 46 

 + 2.9 

 + 1.7 

 + 29 

 + 6.8 



+ 4.9 

 + 2.2 



+ 4.8 



+ 3.7 

 + 4.4 



+ 3.1 

 + 5.9 

 + 2.8 

 — 11 



+ 7.1 



+ 2.6 



— 5.1 



— 2.4 

 + 1.0 



— 2.7 



- 5.7 



- 6.3 

 -10.7 



- 9.0 



- 5.6 



Art 



+1.1 



+0.6 

 +2.2 

 +2.6 

 +1.8 



—0.2 



+0.6 

 +0.8 

 —1.5 

 —2,6 



—1.5 



—0.4 

 +0.0 

 —1.6 

 2 2 



[+0.7] 

 —0.6 

 +1.8 

 —0.9 



[-6.2] 



+2.0 

 +1.3 

 +0.7 

 +1.3 

 +3.0 



2.2 

 9 

 2 1 

 +1.6 

 1,9 



+1,4 

 +2,6 

 +1.2 

 —0.5 

 +3.1 



+1.1 



2 2 



—1.1 

 +0.4 

 —1,2 



—2.3 



-2.8 

 —4.7 

 —4.0 

 —5.5 



Yards. 



c^ 



c=; 



+269.1 

 +268.4 

 +253,7 

 +225.2 

 +239.9 



+184 6 

 +237.8 

 +259,1 

 +229.4 

 +249.2 



+250.1 

 +185 3 

 + •64.6 

 + 09.9 

 +150,2 



+ 36.9 

 + 30.4 

 + 32.2 

 + 30.0 

 + 28.1 



+ 34,6 



+ 36,0 



+ 31,2 



+ 36.2 



+ 30.0 



+ 39.3 



+ 3ii.3 



+ 37.9 



+ 41.6 



+ 30.1 



+ &3.3 



+ 32.9 



+ 30.3 



+ 37.1 



— 8.1 



— 3.9 

 + 0.2 



— 4.9 



— 17.1 



— 14.0 



135 

 16 1 

 19,1 

 16.8 

 17.1 



fe; O 



cq 



+240.4 

 +248.9 

 +244,1 

 +251,1 

 +253.6 



+249 8 

 +253,4 

 +253.5 

 +248.0 

 +250.3 



•247.9 

 -252,3 

 -251,8 

 -253,8 

 -254,1 



At 16° 67 



+ 7.3 



- 07 



+ 7.6 



+ 1,4 



[- 4.8] 



Aa 



2.9 

 2.7 

 1.3 

 9.0 

 1.0 



+ 6.9 



+ 36 



+ 43 



+ 1(1.4 



+ 1.7 



+ 

 + 

 + 

 + 



52 

 5.0 

 5.2 

 0,3 

 5.6 



2.1 

 6.2 

 3.4 

 0.5 

 3.9 



6.8 

 1.8 

 0.2 

 5.4 

 3.2 



div. 



—9,8 

 -13 

 —6,1 

 +0,9 

 +3.4 



—0.4 



+3.2 

 +3.3 

 —2.2 

 +0.1 



-2 3 



+2,1 

 +1,6 

 +3.6 

 +3,9 



+3,4 

 —4,6 

 +3.7 

 —2,5 

 [-8.7] 



-1.0 

 —1.2 

 -2.6 

 +5,1 

 —4,9 



+3.0 

 -0.3 

 +0.4 

 +6.5 

 -2.2 



+1,3 



+1.1 

 +1.3 

 —3.6 

 +1-7 



—1.8 

 +2,3 

 -0,5 

 -3.4 

 0,0 



+2.9 

 —2.1 

 -3.7 

 +15 

 -0.7 



Aa 



-4.3 

 —0.6 

 —2.7 



+0.4 

 +1.5 



—0.2 

 +1.5 

 +1.5 

 -1.0 

 +0 



-10 



+0,9 

 +0.7 

 +1,6 

 +1.7 



+1.5 

 -2,0 



+1,7 

 —1.1 

 -3.8] 



-0.4 

 —0,5 

 —1.1 

 +2 2 

 -2,2 



+1.3 

 -0.1 

 +0.2 

 +2.9 

 -1.0 



+0.6 

 +0.5 

 +0.6 

 —1.6 

 +0.7 



—0.8 

 +1.0 

 -0.2 

 -1.5 

 +0.0 



+1.3 

 —0.9 

 —1,6 

 +0.7 

 —0.3 



