Dataset:  ingots.dat
Source: Riley (1887). Some Investigations as to the Effects of Different Methods 
of Treatment of Mild Steel in the Manufacture of Plates. Journal of the Iron and 
Steel Institute, Vol. 30 #1, pp. 121-162

Description: Lengthwise breaking strain and contraction of area in plates that 
were rolled from slabs made from ingots of varying types.

Variables/Columns
Pre treatment  8  (1=Reheated,0=Soaked) 
Slabbing Method    16  (1=Hammered, 0=Cogged)
Slab Thickness    24   (4ò,8ò)
Plate Thickness   29-32   (1ò,0.5ò,0.25ò)
Annealing         40      (1=Yes,0=No)
Breaking Strain    45-48
Contraction of Area   53-56