Brand Frères
founded 1825
The brothers were often said to be opticians. They seem to have flourished until the late nineteenth century.
"Bulletin ... Third Interamerican Conference on Education ... August 22 to 29 ...," Google Books, http://books.google.ca/books?id=TqmgAAAAMAAJ&pg=RA1-PA221&dq=brand+freres+bruxelles&hl=en&ei=z_vBTYegNYTWgQfP6b26Dg&sa=X&oi=book_result&ct=result&resnum=10&ved=0CFgQ6AEwCTgK#v=onepage&q&f=false
(accessed 08/27/2014)