23rd Feb, 2022 10:00
The Collectors Sale
Drawing/Drafting Instruments
a good polar planimeter, signed J Amsler, with a Mavitta's patent trianular scale rule, two cased scale rules in nickel silver by Stanley, and a brass scale rule, (5)
Sold for £106
Result including buyers premium
a good polar planimeter, signed J Amsler, with a Mavitta's patent trianular scale rule, two cased scale rules in nickel silver by Stanley, and a brass scale rule, (5)
Auction: The Collectors Sale, 23rd Feb, 2022
