Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings (1873)
Wells, David A · New York : Ivison, Blakeman, Taylor and Co. · leaf 207
lengthof a room than across it. It is better, generally, to speak from pretty near awall or pillar, than far away from it. SECTION III. ORGANS OF HEARING AND OF THE VOICE. 437. The Ear consists, in the first instance, of a funnel,construction of shaped mouth, placed upon the external surface of the… … Proceeding inward from this external por-tion of the ear, is a tube, something more thanan inch long, terminating in an oval-shapedopening, h, across which is stretched an elas-tic membrane, like the parchment on the headof a drum. This oval-shaped opening has re-ceived the name of the tympanum, or…
Physics · Science · Technology
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