Ewing 6f Rosenheim. 
Phil. Trans ., A., Vol. 795, Plate 13 , 
Fig. 36.—Zinc, after heating at 200° C. X 8. 
D 
Fig. 37.—Weld in Lead, x 30 
Fig. 38 .—Weld in Lead, with eutectic, x 30 . 
