CECIL E. HANSON COLLECTION
ANTIQUE SURVEYING INSTRUMENTS

FOREIGN TRANSITS AND THEODOLITES

H. Wanschaff - Berlin, Germany, ca 1890*

Serial Number:
Type: Transit
Telescope Length:
Diameter of Horizontal Circle:
Needle Length:
Diameter of Vertical Arc:
Height:
Weight:
Box: Yes
Condition: Very Good
Found: Purchased from antique store in The Hague, Holland (August 16, 1966)
CEH Inventory# FT10

*CEH estimate

From: http://amhistory.si.edu/surveying/object.cfm?recordnumber=762274

"Julius Wanschaff established a precision instrument shop in Berlin in 1872 and made zenith telescopes for the international project to observe the wobble of the earth on its axis. The firm was inherited by Hermann Wanschaff in 1903, and absorbed into Askania AG in 1922."

"Hermann Wanschaff, Preis-Vernzeichnis über Wissenschaftliche Instrumente (Berlin, 1904/1905)."