Propelled electrically from one side to the other.
There is a good system of electrically worked tramways, 52 m.
The electrical phenomena show that there are two ions to the molecule, and that these ions are electrically charged.
To-day, by reason of other uses to which electricity is applied, electrically deposited copper of high conductivity is in everincreasing demand, and commands a higher price than copper refined by fusion.
The colloidal particles are electrically charged and become discharged by the ions of sodium, magnesium and calcium present in the sea-water.