These days, if you have dangerous, underwater shoals and you need a lighthouse, you build a big tower and anchor it to the seabed. But a hundred years ago, that technology wasn't there: and so you'd build a lightvessel: a floating ...See moreThese days, if you have dangerous, underwater shoals and you need a lighthouse, you build a big tower and anchor it to the seabed. But a hundred years ago, that technology wasn't there: and so you'd build a lightvessel: a floating lighthouse with a crew of twelve, who's stay out in the dangerous channel in all weathers. At the South Street Seaport Museum, Mike Weiss, the waterfront foreman, gave me a tour around the Lightship Ambrose.
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