Ericsson, John, 1803-1889 · New York : Printed for the author at "The Nation" Press · leaf 650
Platb 20. Hee ViiAP. X INSTKUMKNT FOU MKA.SUKIXG THE UaDIATIOX l-llU.M IXCAXDESCEXT Planes. Designed by John Ericsson.Manufactuued at New Youk, 18?^. … Plate 21. !See Cjjaj: XL DlAfiUA.MS SlIOWIXO TIIK RaDIATIOX AT DIFFERENT INCLINATIONS OF Incandescent Planes.
