拍品专文
The set is designed for building kaleidoscopes, cameras, microscopes, shadowscopess, micro-projectors, magic lanterns and telescopes.
OPTICAL TOYS AND PERSISTENCE OF VISION DEVICES
CONSTRUMENT, Copenhagen
细节
CONSTRUMENT, Copenhagen
A Construments Number 100 set with instruction booklet, in maker's box; a box of construction materials in wood box.
A Construments Number 100 set with instruction booklet, in maker's box; a box of construction materials in wood box.