An announcement in the "Optical Enterprises" section of the May 1908
Optical Review reads: "A new store has been opened in Cambridge, Mass. by the Andrew J. Lloyd Co." See an online copy of the journal "The Optical Review, Volume 2," Google books,
http://books.google.com/books?id=c0VKAAAAYAAJ&lpg=RA9-PA77 (accessed 08/18/2014)