CECIL E. HANSON COLLECTION ANTIQUE SURVEYING INSTRUMENTS
FOREIGN TRANSITS AND THEODOLITES
Maker Unknown - France, ca mid 19th century*
Serial Number: Type: Goniasmometre - Angle Measuring Instrument Telescope Length: Diameter of Horizontal Circle: Needle Length: Diameter of Vertical Arc: Height: Weight: Box: No Condition: Good Found: 1963 - Mexico City, Mexico CEH Inventory# FT21
*CEH estimate