Bøger af James Cowan

"I perceive," said our friend, "from this and other things you have told me, that your development is going on in about the order which has prevailed on Mars. Do not be discouraged in your efforts to bring that mysterious and wonderful agent, electricity, into complete subjection. You will find it your most useful servant, and in connection with aluminum it will enable you to solve numerous problems and remove many difficulties from your path of progress.