Zenith telescope at the Ukiah Latitude Observatory.
Wooden frame built around supporting stand.
Protecting instrument from accidental disturbance.
Part of international effort to observe small changes in latitude
Image ID: theb1503, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Ukiah, California
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
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November 10, 2017