Description
Ertel-Werke 637 Double Circle Theodolite with Compass and Wooden Case
- Engraved on unit: ERTEL-WERKE A.G. MÜNCHEN 32697
From paper inside storage box:
- ERTEL-MERKE A.G. MUNCHEN
- Barthstrasse 8.
- Type: Normal Rep Theodolis I
- Nr: 32697
Fernrogr m Innen-Fokusier
- FreieOffnung d. Objektivs = 23 %
- Brennweite des Objektives = 190 %
- VergroBerung = 18 lach
- feste Distanzfaden K = 120 %
Horizontal-kreis
- Limbus-Durchmesser = 120 %
- Einteilung = 1/3°
- Nonienangabe = 30"
Vertikal-kreis
- Limbus-Durchmesser = 100 %
- Einteilung = 1/3°
- Nonienangabe = 30"
Libellen-Angabe
- der Horiz.-Kreis-Alhidade = 40"
- des Fernrohrtragers = 40"
- dder Vertujalkreis-Alhidade = 25"
- Reversionslib. d. Fernrohrs = 20"
- Nadellange der Bussole =
Condition: Used
This vintage double circle theodolite has been inspected and appears to be in good condition. It was pulled from a working environment where it was in use and functional. Please view our photo set and contact us if you have any questions.
