Ertel-Werke 637 Double Circle Theodolite with Compass and Wooden Case

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: For Parts or Not Working

This used "as is" double circle theodolite looks good, but due to its age, we are selling in AS-IS condition. We are unable to test any of its functions. Includes everything shown in the photo set, including the storage case. Please view our photo set and contact us if you have any questions.