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![Signal pole with acetylene lamps that could be raised to heights of40 to 60 feet by means of pulleys cgs02458.jpg Signal pole with acetylene lamps that could be raised to heights of40 to 60 feet by means of pulleys](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs02458.jpg?itok=C1otzHW1)
Description
Signal pole with acetylene lamps that could be raised to heights of40 to 60 feet by means of pulleys. (Image credit: Collection of NOAA/NOS/National Geodetic Survey William H. Burger Album)
Credit
Collection of NOAA/NOS/National Geodetic Survey William H. Burger Album
Display Date
1906
Collection
Historic Coast & Geodetic Survey
Keywords
Coast and Geodetic Survey