Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 401
he explains it, and the rubber tube isthe tube communicating with the outer air.When it is squeezed and the air confined, the sen-sitive walls of the ear drum bend in or out asthe outside pressure decreases or increases,which is as you go up or down. Connected witha hand, this sensitive rubber… … A BIRD S-EYE VIEW OF WASHINGTON, D. C, FROM A BALLOON AT A HEIGHT OF I.OOO FEET. balloon is a good means to judge your speed. Itimpresses you as one of the most curious thingsof your trip, this shadow which touches noearthly object, floating over the earth like acloud. Then you think of your…
Children's literature
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