Troughton and Simms Everest Pattern Theodolite c. Diametre of Horizontal Cirlcle 178mm.Diametre of Vertical Quarter Circle 175mm. Diametre of Telescope Body 34mm. Length of Telescope Fully Opened 340mm.
Diametre of Objective Body 40mm. Circle divided to 10 minutes of arc, reading to 10 seconds i. E this is a precision theodolite.
3 of the horizontal magnifiers are missing. The item "Theodolite by Troughton & Simms Everest Pattern c. 1900" is in sale since Monday, May 14, 2018. This item is in the category "Antiques\Science/Medicine\Scientific Instruments". The seller is "webstertait" and is located in Pitlochry.This item can be shipped worldwide.