Physical description
Black painted tin box. Hexagaonal in shape. Opening at one end for sliding lenses. Wing nuts either side of box. Vent holes in top and bottom sides. Latched back entry, hexagonal in shape
Black painted tin box. Hexagaonal in shape. Opening at one end for sliding lenses. Wing nuts either side of box. Vent holes in top and bottom sides. Latched back entry, hexagonal in shape