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] 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] ~~~~~~~~~~~~~~~~~~~~~~