Vintage Mannheim Acu-Math No. 400 slide rule with Case
$20
Vintage Mannheim Acu-Math No. 400 slide rule with Case! It's a cool piece for collectors or anyone interested in older calculating tools. It looks to be in good condition for its age, with all markings visible.
Open to offers on this listing or if you want to send in an offer on a group of listings I have.
More of my listings on the link below:
https://ca.karrotmarket.com/u/MY1zAZgMXYb7blq2?install_from=user_profile
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