Bismuth

A metal, one of the elements, atomic weight, 210; equivalent, 70; valency, 3; specific gravity, 9.9. It is a conductor of electricity. Relative Resistance, compre ed, (silver = 1)   87.23 Specific Resistance,   131.2 microhms Resistance of a wire (a) 1 foot long,  weighing 1 grain, 18.44   ohms (b) 1 foot long,  1/1000 inch thick, 789.3  " (c) 1 meter long, weighing 1 gram, 12.88   " (d) 1 meter long, 1 millimeter thick, 1.670   " Resistance of a 1-inch cube   51.65   microhms Electro chemical equivalent,  .7350  (Hydrogen =.0105) (See Thermo-electric Series.) IMG:8956969607833025625_082F62_63.jpg: Figs. 62, 63. INCANDESCENT WIRE FUSE.  ABEL'S PATENT. IMG:8956969607833025625_082F64.jpg: Fig. 64.  VON EBNER'S FRICTIONAL ELECTRIC MACHINE FOR