Select Auction December 2017

A Cased Dennert & Pape Mannheim Slide Rule, 1901-1920

Lot 263

A Cased Dennert & Pape Mannheim Slide Rule, 1901-1920

DRP no 126499; A Cased P Roch of Rolle Suisse Vernier Caliper, patent no 13429; and A Engineer Lensatic Compass

the largest 29,5cm long (3)

R800 - R1000