Wooden crystal models in case
Unsigned, around 1860
Collection of 36 maple and fruit wood crystal- and geometric models (size ranging from 3 to 4 cm) in paper covered wooden case (22.5 x 19 x 6 cm). The sliding lid of the case is covered with a colored lithograph depicting a teacher with two students studying a collection of crystal models. Text on the lithograph "Krijstallographie. | Crystallographie, Crystallography". The box also contains a paper (41.7 x 33.8 cm, folded twice to fit in the case) with 8 unfoldings to make paper crystal models.