ON THE CRYSTALLINE STRUCTURE OF METALS. 
30! 
Figs. 33 to 35. Series of views of a single specimen of freshly crushed cadmium, 
showing the effects of continued exposure to 200 u Cl, under oblique light, 
with a magnification of 12 diameters. (Plate 12.) 
Crystals developed in sheet-zinc by exposure to 200 C., oblique light, 
magnification 8 diameters. (Plate 13.) 
Section through a cold weld in lead, using clean surfaces, after prolonged 
annealing ; the line of the weld is seen at AB. Oblique light, magnifica¬ 
tion 30 diameters. (Plate 13.) 
Fig. 38. Section through a cold weld, using eutectic in the weld, after prolonged 
annealing. The line of the weld is at CD. Oblique light, magnification 
30 diameters. (Plate 13.) 
Fig. 
Fig. 
o 
36. 
37. 
