82 STANDARD ELECTRICAL DICTIONARY.

Bioscopy, Electric.

The diagnosis of life and death by the action of the animal system when

subjected to an electric current or electrification.

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, compressed, (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.)

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