Annual report of the Board of Regents of the Smithsonian Institution . h z 0 z P- E Smithsonian Report, 1929.—Wilkes Plate 3. ^ M > sa\ 1. A Modern Kerosene heated absorption Process Unit. The BlackBall is Placed Within the Cabinet

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Keywords: ., bookauthorsmithsonianinstitutio, bookcentury1800, bookdecade1840