Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3755Chemical news office., 1932 |
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Strona 218
... Watson ' indi- cate that both speakers and musicians prefer reflecting surfaces about them to intensify the sound while the listeners pre- fer absorbent material in their neighbodr- hood . It is generally considered that the rever ...
... Watson ' indi- cate that both speakers and musicians prefer reflecting surfaces about them to intensify the sound while the listeners pre- fer absorbent material in their neighbodr- hood . It is generally considered that the rever ...
Strona 219
... Watson , F. R. , Acoustics of Buildings . John Wiley & Sons , New York ; 1923 . 4 Watson , F. R. , J. Am . Inst . Architects ; July , 1928 . Washington , September 4 , 1931 . Received March 7th , 1932. ] BIBLIOGRAPHY OF BIBLIOGRAPHIES ...
... Watson , F. R. , Acoustics of Buildings . John Wiley & Sons , New York ; 1923 . 4 Watson , F. R. , J. Am . Inst . Architects ; July , 1928 . Washington , September 4 , 1931 . Received March 7th , 1932. ] BIBLIOGRAPHY OF BIBLIOGRAPHIES ...
Strona 223
... Watson Baker , of Messrs . W. Watson and Sons , Ltd. , of the manufacture of a micro- scope . The demonstration was illustrated by a remarkably good cinematograph film , showing all the important mechanical operations involved in the ...
... Watson Baker , of Messrs . W. Watson and Sons , Ltd. , of the manufacture of a micro- scope . The demonstration was illustrated by a remarkably good cinematograph film , showing all the important mechanical operations involved in the ...
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absorbing absorption acid acoustic activity application Arts Association atom audience auditorium becomes bibliographies British cause ceiling cent Chemical chemistry coefficient complete contained cost cubic desired echo effect electricity electron element example excess existing experiment experimental expressed fact feet floor formation formula give given heat held hydrogen hydrogen ion importance increase industry intensity interest later less light lines London Manufacture March Marks material means measured metals methods million molecules necessary obtained Office optical ordinary organic organisation oxygen Patents plants Plaster possible present produced quantity references reflected reflected sound result reverberation Royal Sabine Science scientific seats Society solid solution sound space speaking specific spectrum square substances TABLE term theory tion total absorption Trade units University usual volume walls Watson weight window