Encyclopaedia Britannica: Or, A Dictionary of Arts, Sciences, and Miscellaneous Literature, Enlarged and Improved, Том 1A. Constable, 1823 |
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Сторінка 147
... Sound . dies . Hence , by the medium of that fluid , sounds can be propagated through wood , or metals , even more readily than through the open air . By the same means , deaf people may be made sensible of sounds if they hold a piece ...
... Sound . dies . Hence , by the medium of that fluid , sounds can be propagated through wood , or metals , even more readily than through the open air . By the same means , deaf people may be made sensible of sounds if they hold a piece ...
Сторінка 148
... Sound . is heard on every side . Thus , as it is impressed , it in- Different stantaneously travels forward with a very swift motion , Theories of resembling the velocity with which we know electricity Sound . flies from one end of a ...
... Sound . is heard on every side . Thus , as it is impressed , it in- Different stantaneously travels forward with a very swift motion , Theories of resembling the velocity with which we know electricity Sound . flies from one end of a ...
Сторінка 153
... sound of a bell we cannot avoid observing this echo very distinctly . The sound appears to be made up of distinct pulses , or repetitions of the same note produced by the stroke of the hammer . It can by no means be allowed , that the ...
... sound of a bell we cannot avoid observing this echo very distinctly . The sound appears to be made up of distinct pulses , or repetitions of the same note produced by the stroke of the hammer . It can by no means be allowed , that the ...
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Abuna Abyssinia academy according acre aerostatic Æsop æther Africa afterwards agriculture Ancient Geography antiquity appear army Axum balloon Begemder body BOTANY BOTANY Index called cattle church clay considerable corn crop cultivated curled death Dioclesian distance drain earth Egypt emperor empire equal Ethiopia Etna expence father feet Fezzan furrow Galla Gondar grass Greek ground height Herodotus honour horses Husbandry inches inhabitants kind king land lava length machine manner means Melcha ment mentioned miles moss motion Mount Etna mountain nature Negroes observed occasion Ozoro person plants plough Portuguese potatoes pozzolana present prince produce proper province quantity Ras Michael Red sea reign rendered river Roman roots says Scotland seed sent Sicily side situated Socinios soil sometimes soon sound spring stones stratum supposed surface tain thing Tigré tion town trees vegetables vibrations whole