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Scientific American, Vol. 56, No. 19 (1887) (1887)

leaf 6

An illustration from Scientific American, Vol. 56, No. 19 (1887), 1887, leaf 6
be in the prosperity of Ireland.—Chambers’s Journal. which they are set should be recessed with a shoulder for the glass to fit against, or rings of pasteboard washed away or down through the soil by rains. os may be glued on either side to hold them in. A Again, by its color, it absorbs the heat… … for this purpose. In general terms, the thirty or forty feet down it is the type of constancy of conditions. The prediction is distance from the candle to its lens, and from the other lens to the screen, should formally made by the writer in question that in the future this ‘mode of journeying will…

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