OP ARTS AND SCIENCES : FEBRUARY 14, 1865. 



445 



Cast-iron 17 feet long. 



if solid, as in the first column, or if hollow, as in the succeed- 

 the respective headings. 



Diameter 

 of Pillar 

 outside. 



Inches. 



2 

 24- 



H 



H 

 3| 



U 



A3 



5f 



6 

 6f 



73 



8 



8^ 

 8f 



10 



1:^ Inch. 



If Inch. 



2.26 



2.86 



3.56 

 4.36 

 5.27 

 6.29 



7.43 



8.68 



10.06 



11.57 



13.22 

 15.00 

 16.93 

 19.00 



21.08 

 23.05 

 25.10 

 27.23 



29.42 

 31.69 

 34.03 

 36.43 



38.89 

 41.41 

 43.99 

 46.63 

 49.32 



2.90 



3.62 

 4.45 

 5.39 

 6.45 



7.64 



8.96 



10.42 



12.01 



13.75 

 15.64 

 17.68 

 19.88 



22.24 



24.37 

 26.58 

 28.88 



31.25 

 33.71 

 36.24 

 38.84 



41.52 

 44.26 



47.06 

 49.93 

 52.85 



Ij Inch. 



3.65 

 4.50 

 5.47 

 6.57 



7.80 



9.18 



10.69 



12.36 



14.18 

 16.17 

 18.32 

 20.64 



23.27 

 25.54 

 27.91 

 30.37 



32.91 

 35.55 

 38.27 

 41.07 



43.94 

 46.89 

 49.92 

 53.01 

 56.17 



1| Inch. 



4.53 

 5.53 

 6.65 



7.92 



9.34 



10.91 



12.64 



14.54 

 16.60 

 18.85 

 21.27 



24.18 

 26.58 

 29.09 

 31.70 



34.41 

 37.22 

 40.12 

 43.11 



46.18 

 49.33 

 52.57 

 55.88 

 59.26 



1| Inch. 



5.56 

 6.71 



8.01 



9.46 



11.07 



12.86 



14.82 

 16.95 

 19.28 

 21.80 



24.97 

 27.50 

 30.14 

 32.90 



35.76 

 38.73 

 41.80 

 44.97 



48.23 

 51.58 

 55.02 

 58.54 

 62.14 



15 Inch. 



6.74 



8.06 



9.54 



11.19 



13.02 



15.03 

 17.23 

 19.63 

 22.24 



25.65 

 28.29 

 31.06 

 33.96 



36.97 

 40.09 

 43.33 

 46.66 



50.10 

 53.64 



57.28 

 61.00 

 64.82 



2 Inch. 



8.09 



9.59 



11.27 



13.14 



15.19 

 17.45 

 19.91 

 22.59 



26.23 

 28.98 

 31.87 

 34.89 



38.04 

 41.31 

 44.70 

 48.20 



51.81 

 55.53 

 59.36 

 63.28 

 67.30 



VOL. VI. 



49 



