Ericsson, John, 1803-1889 · New York : Printed for the author at "The Nation" Press · leaf 601
by the suns rays reflected by a curved mirror. It will beseen by carefid examination that the solar rays converge at 672 SUN PO WEE-TEE SOLAR ENGINE. CHAP. XLV. a point beyond the axis of the reflector; heuce tliat theform of the latter is not parabolic, but composed of anirregular curve. The… … perceived on insi^ection that the upper end of the cylinderwill be subjected to a concentration of heat many timesgreater than the concentration at the lower end. Referringto the accompanying diagram representing a vertical section,of the machine, it will be seen that the working-cylinder,open at…
