Mirror installation diagram

Item is a piece of graph paper with diagrams and instructions for arranging and installing mirrors, presumably for an exhibition. The drawings are assumed to be by Michael Morris, due to him creating similar works and diagrams. There is text in ink and graphite that reads: EVERY 48". / 5 Units 4' wide x 10' / floor space 23' 4" / 5 units = 20' x 10' / REPEAT ACCORDING TO SIZE / OF ROOM ALLOWING FOR THE SPACE / OF ONE SET OF EIGHT MIRRORS TO ACT / AS A WALK BY. / REPEAT 8 MIRRORS 4" x 8' x 1/4" EDGES TO BE POLISHED CLEAR / MIRRORS TO BE TO BE PLACED ON FLOOR AT FOUR INCH INTERVALS / ONE MIRROR IS TO BE ATTACHED TO THE WALL BUTTING THE FLOOR / ANOTHER IS TO BE ATTACHED TO THE FLOOR AT RIGHT ANGLES TO THE THIRD FROM FRONT.