$246
Cased Universal Radial OTT Planimeter, Schacht & Westerich, Hamburg, Germany, No. 20142, dual weighted chrome rollers, and tracer arm, capable of being assembled either as a polar planimeter, a rolling linear planimeter, or a radial planimeter, all housed in a velvet lined fitted case.
![Skinner](/partnerlogos/skinner.png)
Auctioneer:
Skinner
Date:
2014-02-25