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Scientific American, Vol. 78, No. 6 (1898) (1898)
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ch we have been able to acquire concern- ing the moon or the planet Mars. thereto, are fitted with suitable packing to prevent Fig. 3.- OBSERVATIONS OF VENUS. There is one thing certain, however, and leakage and take up wear. The recesses at either side of the piston heads are connected by ports… … duced by the illumination of the atmo- of the phosphorus contained in the original mixture is sphere (Fig. 5). M. Bouquet de la Grye, who obtained, and the product is found to be very pure.— has discussed these observations, estimates Stahl und Eisen. © 1898 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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