Muli ~ Abacus / About

back to index

What is an abacus?

Soroban - what is the difference to the western abacus?

Soroban vs. Suanpan vs. Schoty?

Why do you collect them?

Who & Where are you?

Note: I'm searching for an old, wooden abacus for blind people, which was produced in China / Shanghai (as far as I know) in the past. Any hints are welcome!
Questions or Feedback about the collection? Email: contact [atsignhere]
Copyright 2024 © Emanuel Sprosec, Vienna / Austria