DE. JOULE ON SOME T HEE M 0-DYNAMIC PEOPEETIES OE SOLIDS. 97 
Iron (Professor Calveet’s No. 1), cast, previous to puddling, hardened by 
plunging it at bright red into water 63-89 
Iron (Professor Calveet’s No. 1), cast, white fracture, very hard ..... 70-92 
Iron (Professor Calveet’s No. 1), cast, black fracture 57-77 
Steel, small file, annealed 73-15 
Steel, small file, hardened by plunging at bright red into water 65-8 
Steel, large file, annealed 70-28 
Steel, large file, hardened by plunging at bright red into water 64-06 
Iron, cast, annealed 63 25 
Iron, cast, hardened by plunging at bright red into water 62-7 
Iron, cast, hardened by plunging at bright red into water, another specimen . 60-83 
Iron and copper vdres, faggot of, in proportion 1 iron to 5 copper . . . . 68-29 
Iron and copper wires, faggot of, in proportion 2 iron to 5 copper .... 69-83 
Iron and copper wires, faggot of, in proportion 4 iron to 5 copper . . . . 71-17 
Iron and copper wires, faggot of, in proportion 8 iron to 5 copper . . . . 72-71 
Iron and copper wires, faggot of, in proportion 16 iron to 5 copper . . . . 75-53 
Zinc 67-94 
Zinc, amalgamated 67-77 
Copper deposited by electricity (brittle) 67-9 
Copper, thin wire 67-14 
Copper, another specimen 66-2 
Copper, another specimen 65-92 
Gold, pure 67-71 
Silver deposited by electricity (brittle) 67-08 
Silver, sheet 66-81 
Tin, pure 65-46 
Lead, commercial 65-29 
Lead, pure 64-42 
Platina, annealed 65-02 
Platina, unannealed 64-87 
Platina, fine wire 64-15 
Aluminium 64-68 
Mercur^r 61-74 
German silver 51-88 
German silver, hardened by hammering 49-51 
Bismuth, pure, prepared by Professor Calveet 4-7 
Bismuth, specimen of commercial 0 
Professor Calveet’s analysis of the specimens marked in the above Table *, f , and J, 
gave for the 
