HI Gilda, For the question about Acoustic Ceiling Tiles, you might want to consult: Thompson, Emily A. The Soundscape of Modernity: Architectural Acoustics and the Culture of Listening in America, 1900-1933. Cambridge, Mass: MIT Press, 2002. Cheers, Margaret From: ARLIS/NA List [mailto:[log in to unmask]] On Behalf Of Santana, Gilda B Sent: Tuesday, July 08, 2014 12:40 PM To: [log in to unmask] Subject: [ARLIS-L] 19th & 20th Century Patent Information Dear Collective wisdom, A faculty member is trying to find out where to search for 19th & 20th Century American and British patents on building materials and drafting tools & equipment such as the blue print machine and the history of acoustic ceiling tiles? Can anyone recommend a resource? Thank you, Gilda Gilda Santana Head, Architecture Library Education & Outreach Librarian for Art & Art History Paul Buisson Architecture Library 1223 Dickinson Drive University of Miami Coral Gables, FL 33146 [log in to unmask]<mailto:[log in to unmask]> (305) 284-5282 Vice President Association of Architecture School Librarians www.architecurelibrarians.org<http://www.architecurelibrarians.org/> ~~~~~~~~~~~~~~~~~~~~~~ Mail submissions to [log in to unmask]<mailto:[log in to unmask]> For information about joining ARLIS/NA see: http://www.arlisna.org/join.html Send administrative matters (file requests, subscription requests, etc) to [log in to unmask]<mailto:[log in to unmask]> ARLIS-L Archives and subscription maintenance: http://lsv.arlisna.org Questions may be addressed to list owner (Judy Dyki) at: [log in to unmask]<mailto:[log in to unmask]> ~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~ Mail submissions to [log in to unmask] For information about joining ARLIS/NA see: http://www.arlisna.org/join.html Send administrative matters (file requests, subscription requests, etc) to [log in to unmask] ARLIS-L Archives and subscription maintenance: http://lsv.arlisna.org Questions may be addressed to list owner (Judy Dyki) at: [log in to unmask] ~~~~~~~~~~~~~~~~~~~~~~