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    Re: Harbor Markers
    From: John D. Howard
    Date: 2018 Nov 25, 13:06 -0800

    Thanks Brad.  I was going blind re-reading old books ( PDF ) to see if there was something new the old folk knew.  After my question to you I realized that a time ball would need a telegraph link to an obestorvory - a London or New York.

    The harbor markers seem to me to have been used a smaller, remote harbors but like you, I can not find any use of the name " Harbor Marker". Most likely was the surveyor's  monuments used to make harbor and coastal charts.  I wounder what the OS in Britian called their monuments?

    John H.    41N 100W

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