Folding rule
Model 868
Description
Folding rule, presumably from the 19th century. This object was donated to the collection by Karl-Heinz Volmer in 2017.
Showcase of this model is Case number 49
Folding rule, presumably from the 19th century. This object was donated to the collection by Karl-Heinz Volmer in 2017.
Showcase of this model is Case number 49