Fig. 14.
Ferranti Alternating Dynamo.
[Figs. 13] and [14] are illustrations of two of the alternating current dynamos in use on board ship and elsewhere.
Electric Lamps.
Production of electric light. I have explained how power can be converted into electric currents, either continuous or alternating, and I must now show how these currents can be applied to the production of light.
Fig. 15.
