BROWN-BOVERI- Circular slide rule with scales suitable for use in motor industry....... The disc is made of metal. The item "Vintage-BROWN-BOVERI-for-motors-circular-slide-rule-Schieber-fur-Motoren vin" is in sale since Wednesday, October 10, 2018.
This item is in the category "Collectibles\Science & Medicine (1930-Now)\Engineering\Slide Rules". The seller is "poki-loki" and is located in Belgrade. This item can be shipped worldwide.