Show how power Is derived from sun A practical demonstration of the possibility of running a en alth heat beat derived directly from neha beers been made in california the rays of the sun are focused upon f a boiler by means of a radiator 35 feet in diameter effir composed of 1788 small mirrors chich are so BO adjusted that they all concentrate the upon ft a single central point the heat developed la 18 sufficient to melt copper arlda anda wooden pole thrust into the focus bursts into name flame at once the steam front from the suspended lis ind boiler lei IB carried to the engine through it a flexible tube an energy of ir 15 horse pow er Is developed and wed used to pump water for irrigation the reflector Is mounted like an astronomical telescope and kept facing the sun gun by a driving clock Chir christian lattan science |