298 
NOTES AND DISCUSSIONS 
Soundproof 
Chamber 
'nu mu a»* Hrrin;J 
UiTmj plttTf flJriij fhtrinf 
Fig. 3. Cross-Section of the Soundproof Room 
(East-West dimension) 
IQDD 
HtrJ "rttj 
•fltor-y 
Ceilino bnrJt L.*U ««</ 'Rttjh florin) 
Fig. 4. Cross-Section of the Soundproof Room 
(North-South dimension)