Dimensions include mat; actual drawing is 27 x 44 cm.
Drawing is of plan for dark room with two views. First view, on left, is labeled "plan"; second view, on right, is labled "coupe et elevation sur A.B."
Scale is drawn in ink along bottom of drawing, with increments of 1-9.
"No. 8.B." -- written in ink on lower left corner.
Drawings for nine different perspectives, in cube-like shapes, labeled fig. 1-9 on verso.
Sent to photography April 2010 (Photography no. 1000083816) and photographed November 2010.