354 On the Construction of Buildings 
to avoid. Much of the difficulty and annoyance complained of 
in the old House of Commons buildings, resulted from this cause 
ne. 
The site, therefore of every building intended for musical pur- 
poses should be such as to exclude, as far as possible, all access 
to these external sounds, whether by direct communication or by 
conduction. If position alone will not secure this desideratum, 
much can be done, in aid of the object, by the proper construc- 
tion of the building itself. It is advantageous, on this account, 
to have corridors extending completely round the room, thus cut- 
ting off all direct communication from without. Double walls 
with a noisy street or vicinity. 
D. B. 
such connection is unavoidable, that all these openings be ar- 
On this point, the evidence of the witnesses examined by the 
Committee of the House of Commons is at variance. But in the 
Principles of science. In a music room, fortunately, we M87" ” 
‘deal with sounds which originate in but one portion of serie 
ment, and which are, therefore, far more within our contro’. e all 
As to shape, the circular, the quadrate, the oblong; a a 
found their advocates. The principal argument in favor 
* Reid’s Mustrations of ‘Ventilation; Art, Communication of Sound. 
(OE ES 
