TIDE-PREDICTING MACHINE NO. 2. 35 



Table C— -Coast and Geodetic Survey tide-predicting machine No. 2. 



Components. 



Theoretical 

 speed per 

 mean solar 



hour. 



5854433 

 0410686 

 0410686 

 0821372 

 52847SS 

 4556254 

 4920521 

 9841042 

 9841042 

 4761563 

 9682084 

 9523126 

 9364168 

 0989330 

 0251728 

 9271398 

 5i43747 

 4238;«8 

 9841042 

 0158958 

 96820S4 

 4397296 

 8953548 

 5125830 

 9430356 

 1391016 

 9589314 

 3986609 

 8542862 

 0410686 

 4715144 

 0000000 

 0000000 

 0000000 

 0000000 

 0000000 

 0410686 

 0158958 

 0821372 

 9589314 



Number of teeth in gear wheels. 



Vertical 

 shafts 



107 

 61 

 61 

 122 

 104 

 131 

 103 

 103 

 103 

 86 

 118 

 140 

 118 

 84 

 120 

 81 



135 

 118 

 149 

 125 

 65 



92 

 134 

 91 



84 

 127 

 85 



Intermediate 

 shafts. 



Outer 

 end. 



131 

 73 

 88 



114 

 50 

 70 

 75 

 70 

 70 

 45 

 48 

 149 1 

 47 



149 

 50 



Com- 

 Inner 1?^??"* 



end. 

 Ill 



103 



1 



105 



53 



62 

 1 

 74 

 53 

 46 

 70 

 58 

 71 

 50 

 51 

 50 

 43 

 41 

 50 

 70 

 70 

 60 

 80 

 125 60 

 50 

 1 

 45 



shafts. 

 IV 



119 

 85 

 85 

 146 

 97 

 117 

 148 

 85 

 85 

 67 

 85 

 67 

 85 

 51 

 106 

 86 

 125 

 89 

 61 

 55 

 121 

 79 

 58 

 95 

 129 

 135 

 125 

 109 

 130 

 73 

 90 

 84 

 70 

 70 

 50 

 50 

 120 

 71 

 125 

 73 



Gear speed 



per dial 



hour. 



5854342 

 0410959 

 0410959 

 0821918 

 5284773 

 4556213 

 4920509 

 9841017 

 9841017 

 4761675 

 9682035 

 9523351 

 9364070 

 0980392 

 0251572 

 92710JO 

 5443902 

 4237560 

 9841440 

 0159091 

 9681516 

 4397358 

 8953627 

 5125858 

 9430363 

 1391009 

 9589041 

 3986656 

 85-12510 

 0410959 

 47142^.6 

 0000000 

 0000000 

 0000000 

 0000000 

 0000000 

 0410738 

 0158825 

 0821477 

 9589041 



Error 

 of 



gears 

 per 

 dial 



year. 



+0.08 



- .24 



- .24 



+ .01 

 + .04 

 + .01 

 + .02 

 + .02 



- .10 

 + .04 



- .20 



- .05 

 + .14 

 + .33 



- .14 

 + .68 



- .35 



- .12 

 + .50 



- .05 



- .07 



- .02 



- .01 

 + .01 

 + .24 

 •- .04 

 + .31 



- .24 

 + .75 



.00 

 .00 



.08 



.00 

 .00 



- .05 

 + .12 



- .09 

 + .24 



Length of cranks. 



Height. 



Inches. 

 0.7 



1,38X2 



1.38X2 

 2.0 

 1.2 

 0.2 

 0.5 



2.50X2 



2.50X2 

 0.7 

 2.00 

 0.5 

 0.2 

 2.0 

 1.0 

 0.7 

 1.5 

 0.4 

 1.0 

 1.0 

 0.6 



1.50X2 

 0.5 

 1.0 



2.25X2 

 0.4 

 2.4 

 1.5 

 0.3 

 0.2 

 0.4 

 1.0 



1.23X2 



1.23X2 

 0.5 

 0.5 



2.00X2 

 0.7 

 1.5 

 0.5 



Time. 



Inches. 



0.4 



1.45 



1.45 



2.0 



1.2 



0.2 



0.3 



2.50X2 



2.50X2 



1.0 



2.00X2 



1.5 



0.8 



0.08 



1.4 



1.0 



0.03 



0.7 



2.0 



0.04 



0.6 



1.50X2 



0.5 



1.0 



2.20 



0.3 



1.3 



0.7 



0.2 



0.2 



0.27 



0.6 



1.25X2 



1.25X2 



1.0 



1.5 



0.7 

 0.5 



