. Contributions to the Centennial Exhibition. Platb 20. Hee ViiAP. X INSTKUMKNT FOU THE UaDIATIOX IXCAXDESCEXT Planes. Designed by John at New Youk, 18?^.. Plate 21. !See Cjjaj: XL SlIOWIXO TIIK RaDIATIOX AT DIFFERENT INCLINATIONS OF Incandescent Planes.

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Keywords: ., bookcentury1800, bookdecade1870, booksubjectinventi, bookyear1876