pl23_theb2500.jpg
![A finished large tripod signal - note the guards theb2500.jpg A finished large tripod signal - note the guards](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2500.jpg)
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https://www.noaa.gov/media/digital-library-photo/pl23theb2500jpg-0Description
A finished large tripod signal - note the guards.Party off the MARINDUQUE
Credit
Family of Captain George L. Anderson, C&GS;
Display Date
1924
Location
Philippine Islands
Category
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Wooden Towers & Signal Poles
Keywords
Geodesy
Triangulation
Towers
Wooden