OF ARTS AND SCIENCES : FEBRUARY 14, 1865. 



465 



Cast-iron 27 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 



n 



n 



3^ 



4i 

 4f 





6i 

 6f 



7^ 

 7f 



8i 

 8f 



n 



10 



Inch. 



1.03 

 1.30 



1.62 

 1.99 

 2.40 

 2.86 



3.38 

 3.95 

 4.58 

 5.27 



6.02 

 6.83 

 7.71 

 8.65 



9.66 

 10.75 

 11.90 

 13.13 



14.43 



15.80 

 17.26 

 18.79 



20.41 

 22.11 



23.89 

 25.76 

 27.71 



1| Inch. 



1.32 



1.65 

 2.03 



2.45 

 2.94 



3.48 

 4.08 

 4.74 

 5.47 



6.26 

 7.12 



8.05 

 9.05 



10.13 

 11.28 

 12.52 

 13.82 



15.22 

 16.69 

 18.25 

 19.90 



21.63 

 23.45 

 25.37 



27.38 

 29.48 



Ij Inch. 



1.66 

 2.05 

 2.49 

 2.99 



3.55 

 4.18 

 4.87 

 5.63 



6.46 

 7.36 

 8.34 

 9.40 



10.53 

 11.75 

 13.05 

 14.44 



15.92 

 17.48 

 19.14 

 20.89 



22.73 



24.67 

 26.71 

 28.86 

 31.10 



1 1 Inch. 



2.06 

 2.52 

 3.03 



3.61 

 4.25 



4.97 

 5.76 



6.62 

 7.56 

 8.58 

 9.69 



10.88 

 12.15 

 13.52 

 14.98 



16.53 

 18.18 

 19.93 

 21.77 



23.72 



25.77 

 27.93 

 30.20 

 32.58 



1| Inch. 



2.53 

 3.05 



3.65 

 4.31 

 5.04 

 5.86 



6.75 

 7.72 

 8.78 

 9.93 



11.17 

 12.50 

 13.92 

 15.45 



17.07 



18.80 

 20.62 

 22.56 



24.61 

 26.77 

 29.04 

 31.42 

 33.92 



1 1 Inch. 



3.07 



3.67 

 4.35 

 5.10 

 5.93 



6.85 

 7.85 

 8.94 



11.41 

 12.79 

 14.27 

 15.85 



17.54 

 19.33 

 21.24 

 23.26 



25.40 

 27.65 

 30.03 

 32.52 

 35.14 



2 Inch. 



3.69 

 4.37 

 5.14 

 5.98 



6.92 



7.95 



9.07 



10.29 



11.61 

 13.03 

 14.56 

 16.19 



17.94 

 19.80 

 21.78 

 23.88 



26.10 

 28.44 

 30.91 

 33.51 

 36.25 



