een seen on Mars is that im- vessels, and nearly all the shops have been enlarged. parent observatory at Flagstaff. The photographs are mediately surrounding the polar ice caps as the snow New boiler shops, machine shops, electrical plants, superb and of excellent definition, and, as a matter and… … then be snow-capped as on says Dr. Riegel, that the THE LABGEST FBESH-WATEB DBYDOCK IN THE WOBLD. the earth? And the tem- use of citric acid in water perature below freezing? exposed to the rays of the Length, 745 Feet; Width, 125 Feet. For this interesting ques- sun in flat vessels would tion we…
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