11 Feb
2023
11 Feb
'23
2:55 a.m.
Acoustics of auditoriums, by F. R. Watson 70013 [Subtitle: University of Illinois Bulletin, Vol. XI, March 16, 1914, No. 29] [Author: F. R. Watson] [Link: https://www.gutenberg.org/7/0/0/1/70013] [Files: 70013-0.txt; 70013-h.htm] Thanks to Charlie Howard and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Regards, Jacqueline