Theodolite Frame by Troughton & Simms London. There is a very Fine silver Vernier.It has both working spirit levels. Internal distance foe telescope = 4.5 Inches. Support Height = 6 Inches. This item is in the category "Antiques\Science/Medicine\Scientific Instruments".
The seller is "houseofvega" and is located in this country: GB. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia.