15 KINDERGARTEN DRAWING MATERIAL. … COMBINATION METALLIC BLACKBOARD. This board has a slated surface on a metal ground, and its white metallic lines are finer and more durable than any which can be painted on a blackboard. Chalk will not cling to the painted lines and they are a fruitful source of imperfections in the drawing. For…
Schools -- Furniture, equipment, etc. · Teaching Aids and devices
Internet Archive · Winterthur Museum Library · Public domain (published before 1931). Free to use for anything.
