Wrought Iron when Heated and then Cooled. 

 Table {continued). 



403 





9i 



a 



•d 

 g 



it 



11 



Form of article, &c. 



Dimensions, in inches. 



if 

 8 



2 



U 

 P 



u 



1 



s 



6\ 



Wrought 

 iron. 



15 



2 

 3 



3" cylinder, 6" deep, solid : — 



9-40 

 9-40 

 9-40 

 0-00 

 0-00 



9-35 

 9-00 

 9-05 

 0-05 

 0-20 



-0-05 

 -0-40 

 -0-35 

 + 0-05 

 + 0-20 



do. contraction 



do. lower edge 









T\ 



Wrought 

 iron. 



20 



1 



Flat piece, 12" X 6" X \" :— 

 Length on curve, upper edge ... 

 do do lower edge ... 



12-00 

 12-00 

 6-00 

 6-00 

 0-00 

 0-00 



10-75 

 12-10 

 5-75 

 600 

 0-60 

 0-30 



-1-25 



+0-10 

 -0-25 



0-00 

 +0-60 

 +0-30 



-0-90 



+ 0-20 

 -0-13 

 -0-05 

 +0-50 

 + 0-15 





Upper edge, out of straight 





7K 



Wrought 

 iron. 



20 



2 

 3 



Flat piece, 12" x 6"xi" :— 



Length on curve, upper edge 



do. do. lower edge 



Breadth, ends 



12-00 

 12-00 

 6-00 

 6-00 

 0-00 

 0-00 



11-10 

 12-20 



5-87 

 5-95 

 0-50 

 0-15 



do. centre 



Upper edge, out of straight 





8i. 



Wrought 

 iron. 



15 



10 







total 



12" cylinder, 9" deep, \" thick 1 

 do. do. do. j 



No 



effect. 





9 m . 



Cast 

 steel. 



20 



i 



2 



3" cylinder, 6" deep, solid: — 



Circumference, upper edge 



do. contraction 



do. lower edge 



Depth, perpendicular 



9-03 

 903 

 9-03 

 6-00 



8-93 

 8-65 

 8-93 

 6-10 



-0-10 

 -0-38 

 -0-10 

 + 0-10 





10 n . 



Brass. 



34 



1 

 "2" 



2" cylinder, 6" deep, Jg" thick :— 



External circumf. of upper edge... 



do. do expansion ... 



do. do. lower edge... 



6-175 

 6-175 

 6-175 



6-175 

 6-350' 

 6-270 



9-24 

 9-26 

 9-38 



o-ooo 



+ 0-175 

 + 0-095 



-0-01 

 +0-01 

 + 0-13 



11°. 



Gun- 

 metal. 



20 



i 

 2 



3" cylinder, 6" deep, £" thick : — 

 External circumf. of upper edge... 

 do. do. on water-line... 

 do. do. of lower edge.. 



9-25 

 9-25 

 9-25 



12. 



Tin. 



5 



1 

 "2 



2" cylinder, 5" deep, i" thick 



No 



effect. 





13. 



Zinc. 



50 



1 

 2 



3" cylinder, 6" deep, £" thick:— 

 External circumf. of upper edge... 

 do. do. expansion ... 

 do. do. lower edge... 



9-525 

 9-525 

 9-525 



9-575 

 9-700 

 9-630 



+ 0-050 

 +0-175 

 + 0-105 



