Tuesday, March 08, 2011

Jasper Bilby - Osgood Indiana

Mr. J. S. Bilby, formerly Chief Signal Man in the Coast Survey died at his home in Osgood, Ind., on July 18th, 1949. Mr. Bilby had a long and meritorious career with the Bureau. He entered the service in 1884 and retired in 1937, at the age of 73. His most noteworthy accomplishment was the design and construction of the Bilby Steel Tower which is used by all triangulation parties now.

Survey towers were used by U.S. Coast and Geodetic Survey surveyors from the mid-1800s through the 1980s to obtain the clear lines-of-sight needed to conduct the surveys that are the backbone of our nation’s spatial reference framework. One of the most enduring and widely used types of towers was the Bilby Tower, designed by Jasper Bilby in 1926.

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