Ericsson, John, 1803-1889 · New York : Printed for the author at "The Nation" Press · leaf 642
Plate 16. See Cuai>. VI11. LnSTKUMENT Full MEASUKI.NG TilK AClLAJ. INTENSITY OF TllK Suxs RaY: Designed uv John Ekicsson. Maxufactueed at New Yokk. isn. … Flate 17. i>£i: CuAP. IX. Instrhment for showing the Fkebleness of Solai: Radiation-.Desic.xkp itY Joiix Ericssox. Coxstructed at Xkw York, isn.
