Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 569
extends downwardone hundred and thirty feet farther, to wherewater is found. This water is raised by anotherchain of pots to the reservoir at the foot of thefirst section. These wells were not like the onesmade at the present time, but were much larger. °33 1034 NATURE AND SCIENCE FOR YOUNG FOLKS… … F1G. 2.Rough water-raising device introduced into Spain by the Moors. mals to the lower chain a spiral gallery was ex-cavated around the upper section, with windowscut through the walls at frequent intervals toadmit the light. Our picture (Fig. i) shows thecrude though effective method of operating…
Children's literature
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