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NOAA Photo Library Image - theb2520

The first picture of a Bilby portable steel tower under construction. Bilby towers were made of prefabricated steel parts that could be reused. These towers were designed by Jasper Bilby, chief signalman of the C&GS

Image ID: theb2520, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Minnesota
Photo Date: 1927
Credit: C&GS Season's Report Bilby 1928

Category: Geodesy/Triangulation/Towers/Bilby Steel/

• High Resolution Photo Available




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Last Updated: April 30, 2013